OT-2026-000056147
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump 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-2026-000056147) never changes.
Identity and time
| Publication number | OT-2026-000056147 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4b-792d-990f-800d032be080 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056147 |
| Status | PUBLIC |
Content hashes
| Canonical text | a45db9ed664db2737e33d3ea91db6c5419ffcaf890a9291f7b832b1a99e217af |
|---|---|
| Markdown | 293990cc230cc88de9355f71b250324bb19fe4d2a493a2000cffc3ba78e6e63a |
| Publication page | b69a89ab312c08f9f6b22f213b3c56f6d207fe0f194a70aa2140c521782e8832 |
| Manifest | 3a9aead90fc24f99f3b8a879fc5f4b16200cbfc93659644144109fa79597a591 |
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 | 9hz/iNEScQvLujg2Ke6TOJu20a4oGvh56Kj+GgqVLZt/HdYEdjFnIORxSUMLLM0oBAs0uELsQvLHNUUf+kFtDA== |
| 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
| 2026-09-17T10:51:41.984680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056147observed b69a89ab312c08f9f6b22f213b3c56f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:41.967478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056147/manifest.jsonobserved 3a9aead90fc24f99f3b8a879fc5f4b16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:41.949896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056147/publication.mdobserved 293990cc230cc88de9355f71b250324b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:41.932149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056147/publication.txtobserved a45db9ed664db2737e33d3ea91db6c54...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. |
|---|