OT-2026-000054447
Publication integrity record
Three cup vacuum gripper, three 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-2026-000054447) never changes.
Identity and time
| Publication number | OT-2026-000054447 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1282-74a2-8565-755c6b9c0960 · 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-2026-000054447 |
| Status | PUBLIC |
Content hashes
| Canonical text | b7f71b0c9392c54ee3f8f83678608994e0f945ffd275d6fc5b7d592d63d02578 |
|---|---|
| Markdown | 1cf51b1b4a83c560aab943825952f423640cdef73037ca7b10c335bc1236003f |
| Publication page | 6a098c8e94528e373d6788fc154be5939b60a643df9ec5187b3acc7e235fb09b |
| Manifest | 425da976aea7b79612bdf408c9a9e3264a54cd0af06cc7f6147077c85058ed24 |
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 | +/W8YGAl4bWE/pHJKNBLns4g0l+/S2RQbbreGF84vNKjwFXkbjFjAXVBYxJeqNkmNU2nn+CU2Ut9NNgK2+JdAA== |
| 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
| 2026-09-17T10:53:26.090630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054447observed 6a098c8e94528e373d6788fc154be593...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:26.071732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054447/manifest.jsonobserved 425da976aea7b79612bdf408c9a9e326...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:26.055087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054447/publication.mdobserved 1cf51b1b4a83c560aab943825952f423...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:26.037844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054447/publication.txtobserved b7f71b0c9392c54ee3f8f83678608994...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. |
|---|