OT-2026-000021492
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000021492) never changes.
Identity and time
| Publication number | OT-2026-000021492 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7db5-818c-e43f15468aaf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021492 |
| Status | PUBLIC |
Content hashes
| Canonical text | 835e91260936ca54be62276523f6894c610e2d3ae2e12b16d21afcb83d688eb6 |
|---|---|
| Markdown | f4d7992f5c5139719b2d34b4311c40206583af67eb2bf3f5cab5f707b892e4c0 |
| Publication page | 5e51d7de7892b9b44b46ae8aa2d00b55a73d977a5d2d919a53d4e114dfb59cbe |
| Manifest | f5fe81442c2a7d1d6575843f31395b905789757213745dc63577c00733612250 |
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 | V//cJpFw628SvS8KYOCsJYZyWAC8x7f1B3qGLPB7VAGgfYkuiVm9ZQm8ujM5TYcbZev2vI0c4cJ90h2mFNpcCA== |
| 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
| 2026-09-17T11:55:24.389592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021492observed 5e51d7de7892b9b44b46ae8aa2d00b55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:24.370970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021492/manifest.jsonobserved f5fe81442c2a7d1d6575843f31395b90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.354532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021492/publication.mdobserved f4d7992f5c5139719b2d34b4311c4020...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.335773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021492/publication.txtobserved 835e91260936ca54be62276523f6894c...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. |
|---|