OT-2026-000028148
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off 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-2026-000028148) never changes.
Identity and time
| Publication number | OT-2026-000028148 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7fdf-a0eb-20e66d390d33 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028148 |
| Status | PUBLIC |
Content hashes
| Canonical text | c6d242da6e7f1e3a9cbdb9a726f16ad7029799c2c8ecd9b180bd8820344e64a4 |
|---|---|
| Markdown | 969a96a714cb047ccb2f3a9c9dbd2a3dfcfb26e947c0845306734fd1f206a84d |
| Publication page | ff4667f9de04ae332032bfa1b28ba512b4ff7663162da74ad8c87215ea69dc07 |
| Manifest | fee9a8589e54ebf9b4682762db530a4146e1548f4ab92f1cee1e17833207b6f6 |
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 | Q6EFebjRRVTPC9dKDbEMog7MrEdDyL2ULrw4WtenwslqkLRcRekO4xfSmSwDhDpTNQtYFLKLU941xdjpPQxTAg== |
| 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... |
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Independent retrieval
| 2026-10-31T08:42:02.820408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028148observed ff4667f9de04ae332032bfa1b28ba512...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T08:42:02.730068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028148/manifest.jsonobserved fee9a8589e54ebf9b4682762db530a41...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:42:02.575412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028148/publication.mdobserved 969a96a714cb047ccb2f3a9c9dbd2a3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:42:02.480912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028148/publication.txtobserved c6d242da6e7f1e3a9cbdb9a726f16ad7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:42:08.065023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028148observed ff4667f9de04ae332032bfa1b28ba512...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:42:07.993733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028148/manifest.jsonobserved fee9a8589e54ebf9b4682762db530a41...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:42:07.900262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028148/publication.mdobserved 969a96a714cb047ccb2f3a9c9dbd2a3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:42:07.689588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028148/publication.txtobserved c6d242da6e7f1e3a9cbdb9a726f16ad7...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 |
|---|