OT-2026-000054251
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed 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-2026-000054251) never changes.
Identity and time
| Publication number | OT-2026-000054251 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a9-73b7-8256-c0ef35dbab0f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054251 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc4964ce1d3f3a267e875125662971bd27461dc986d0f063898dd46b0467237b |
|---|---|
| Markdown | 62083438454cf6889078098d1f09044e15e3e336afeab72cab73a8a4754cb6a7 |
| Publication page | 2d2c7eb49712d2519fe38c99d5fdd9e62e6e54de04382b172890d9ac40b11d93 |
| Manifest | 22ace8e168038f534fbe01164fe2ce0238f771522320609fe508e14d2917650c |
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 | 2t5G1TR3cnIPNidXNZGp455I3yBAbBgRBbrYcBi9AsvlLjjdti4CS9hUv9jU5/TEn8Gqn595kYQgUkrSeqjtCQ== |
| 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
| 2026-09-17T10:54:44.246801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054251observed 2d2c7eb49712d2519fe38c99d5fdd9e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:44.225411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054251/manifest.jsonobserved 22ace8e168038f534fbe01164fe2ce02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:44.201025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054251/publication.mdobserved 62083438454cf6889078098d1f09044e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:44.181391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054251/publication.txtobserved fc4964ce1d3f3a267e875125662971bd...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
| Custody package | Pending Custody packages are produced weekly. |
|---|