OT-2026-000054735
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000054735) never changes.
Identity and time
| Publication number | OT-2026-000054735 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1284-7dc7-b152-8e53509dcd7d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054735 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ff586a7aad6d9ea80f3109279b9be6d12ae234da575ee62608484407766a33e |
|---|---|
| Markdown | 1a2f8fb3422133bc389b23663154972ec82c14118731dda637be1bd56940722d |
| Publication page | c85f29d2e79e8b60587eeff632a3c34b7d5fbc4a431bfbf0d8cfc45324688816 |
| Manifest | 7cdbc8a7e42a8070571706b2d08183ec09605cc73e80931fbe752518b10028f7 |
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 | Ryb87QQ1TAKQcwunw6eorM/J4pACOGSB6QcAaKrtFUi6xhhc6Z0pp/eMbdccPMQh935vOHH2HQ4U0hLrmHCSBA== |
| 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
| 2026-09-17T10:53:55.090573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054735observed c85f29d2e79e8b60587eeff632a3c34b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:55.070987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054735/manifest.jsonobserved 7cdbc8a7e42a8070571706b2d08183ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:55.051812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054735/publication.mdobserved 1a2f8fb3422133bc389b23663154972e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:55.032485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054735/publication.txtobserved 2ff586a7aad6d9ea80f3109279b9be6d...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. |
|---|