OT-2026-000003542
Publication integrity record
Vacuum cup gripper, per zone isolation, pump fed, pressure verified, contact triggered
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-2026-000003542) never changes.
Identity and time
| Publication number | OT-2026-000003542 · never reused |
|---|---|
| Internal UUID | 01a0a90a-52c7-708a-a232-6f6137803caa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:01.194096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003542 |
| Status | PUBLIC |
Content hashes
| Canonical text | 996eab34d0f86514d919976b6744ddcb9a60d696583172ba351d9ceafbd8bee1 |
|---|---|
| Markdown | d62d827aaf2dba7da8576d47a9c97a98b741f63fa9304ee1184572bcac267790 |
| Publication page | 0ec953571e8a98e217aa1bb68a8742bdb37270fcc65ade9628eb95671a3163db |
| Manifest | aa0d63d730e60400e6933c4bca43e2c7a104a3a0e705df2b9041d68b64dedb4e |
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 | Jv6I5ba/lcFSTZRSO0M/tYAaqZZncQ7uxcrEdTzIlQKu3HFPEC3mUe18k0Sadm8w5YnYcd1INfzXJExIKvq1BA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T08:50:33.404145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003542observed 0ec953571e8a98e217aa1bb68a8742bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:33.389575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003542/manifest.jsonobserved aa0d63d730e60400e6933c4bca43e2c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:33.251442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003542/publication.mdobserved d62d827aaf2dba7da8576d47a9c97a98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:33.235713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003542/publication.txtobserved 996eab34d0f86514d919976b6744ddcb...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. |
|---|