OT-2026-000045253
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045253) never changes.
Identity and time
| Publication number | OT-2026-000045253 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-f76a-7519-a506-1b439ad218d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:30:20.545172Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000045253 |
| Status | PUBLIC |
Content hashes
| Canonical text | 305bc7d1c4799c91a1415a4cd7c5b247c9c332f4a1c0a2056f2d3f5f9d32f2ee |
|---|---|
| Markdown | 5f4ba3b549cc8e16dba982ba01b6f2ebe329b2feb9522e1f85b4ceacda7946b6 |
| Publication page | a53714b7e829f0f3e311f0593357403ecb1bb2348d638a37c213986e8a958f57 |
| Manifest | 038fe7e55bb9ea29581efc594f11d9c3f612057f44b6373c91da234642d9caa1 |
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 | YBjLV4/0j3Tt/1kTqwUriqF8OPac4XD2yzg7gC5m5h1r6J7lb19Rd/H+AOAQ6aF61bAnRD/zKiDL1UVkPkg7Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-13T20:42:06.875333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045253observed a53714b7e829f0f3e311f0593357403e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T20:42:06.803629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045253/manifest.jsonobserved 038fe7e55bb9ea29581efc594f11d9c3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:42:06.715677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045253/publication.mdobserved 5f4ba3b549cc8e16dba982ba01b6f2eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:42:06.621380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045253/publication.txtobserved 305bc7d1c4799c91a1415a4cd7c5b247...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:05.539346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045253observed a53714b7e829f0f3e311f0593357403e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:05.522438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045253/manifest.jsonobserved 038fe7e55bb9ea29581efc594f11d9c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:05.503061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045253/publication.mdobserved 5f4ba3b549cc8e16dba982ba01b6f2eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:05.439049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045253/publication.txtobserved 305bc7d1c4799c91a1415a4cd7c5b247...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|