OT-2026-000007164
Publication integrity record
Porous face vacuum gripper, three zone face, pump fed, pressure verified, closed cell
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-2026-000007164) never changes.
Identity and time
| Publication number | OT-2026-000007164 · never reused |
|---|---|
| Internal UUID | 01a0a975-0633-7789-885c-21a04b6529f5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:03:33.941680Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007164 |
| Status | PUBLIC |
Content hashes
| Canonical text | 34e6594654afc681cdcee201b8f5af96196a25bb78b6eb7936644ce71c0a952b |
|---|---|
| Markdown | f54b9b877d866c3eda9a52251bf1cb99b56772072db42add9fb3d0329336a36b |
| Publication page | 1d448b8cf412f535a3a079d9f71e29f32ef57c873383b4b41088e0e32e6b5eb8 |
| Manifest | 4c78b16466302bcbe62138107af1aa176798b92f7dd695138116ccffa55e3353 |
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 | 1v9t2q1wKwuRGzEMM5WhOuBIlcNGd8iwAOVU3eDO2+55qBvH7E/ps7JxQ3h8bd0OE0MDSuEWaaMjECfWaYFaCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:10:20.212138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007164observed 1d448b8cf412f535a3a079d9f71e29f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:20.199392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007164/manifest.jsonobserved 4c78b16466302bcbe62138107af1aa17...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:20.186117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007164/publication.mdobserved f54b9b877d866c3eda9a52251bf1cb99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:20.173229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007164/publication.txtobserved 34e6594654afc681cdcee201b8f5af96...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. |
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