OT-2026-000053046
Publication integrity record
Foam pad vacuum gripper, common isolation valve, three stage ejector, vented before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053046) never changes.
Identity and time
| Publication number | OT-2026-000053046 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a431-78a4-8c51-acfc2e3b31c7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053046 |
| Status | PUBLIC |
Content hashes
| Canonical text | e6b5fbb672774bb75661655acd86410b395defcd4f5e6335ba5398c15c0063b2 |
|---|---|
| Markdown | f2441c4ab702206ba8153b20355212cf3972b7a97659562cd86b17c5f75a8876 |
| Publication page | 2831e83b2cf2194459d7eeb0b803f8d363083125be8619087b7932ae6c5f315c |
| Manifest | 773f1df97ed4c0b535ac674cc6402f59b1ad026d5f6c5457d7bf722aaad0fc4a |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | xBAOb/oagj1jqYnrTVfT05jQrWh8OfFq5UGpnTQUmcJLTkTMGBXexKkpALTXX7G95EDvTqYSTSRufl89AxhlBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-19T12:41:09.983650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053046observed 2831e83b2cf2194459d7eeb0b803f8d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T12:41:09.931885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053046/manifest.jsonobserved 773f1df97ed4c0b535ac674cc6402f59...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:09.857844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053046/publication.mdobserved f2441c4ab702206ba8153b20355212cf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:09.779340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053046/publication.txtobserved e6b5fbb672774bb75661655acd86410b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:25.995703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053046observed 2831e83b2cf2194459d7eeb0b803f8d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:25.943604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053046/manifest.jsonobserved 773f1df97ed4c0b535ac674cc6402f59...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:25.882469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053046/publication.mdobserved f2441c4ab702206ba8153b20355212cf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:25.822957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053046/publication.txtobserved e6b5fbb672774bb75661655acd86410b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|