OT-2026-000004637
Publication integrity record
Porous face vacuum gripper, two zone face, common isolation valve, ejector fed, 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-2026-000004637) never changes.
Identity and time
| Publication number | OT-2026-000004637 · never reused |
|---|---|
| Internal UUID | 01a0a91e-75cc-72de-8c13-5946485d7b2e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:00.878854Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004637 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0dd60c7369fe66a9779572599e6d370b44207f8215a3bb7d7c4ed9b176a17b31 |
|---|---|
| Markdown | 0b7e89e175b0d9231eec685fac7a1d5e4903bcfc4b64207c39a850115631abf8 |
| Publication page | d65b5e45168d54ab996a87465aca6e43a2d8c4c4bee644468ccd4e225e73e45a |
| Manifest | 7cda45c9b2ed77905067c952521f22b1d32e480617048ad0fdbe240348beee87 |
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 | pl0VzTL7pxGS67l6eGUQw4WbOK61KupS56GDfzEJ6JN5MTnb02HZwkbfgeguemnyEqj0W8RT+h616Q8cvw4lAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:06.465086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004637observed d65b5e45168d54ab996a87465aca6e43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:06.451529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004637/manifest.jsonobserved 7cda45c9b2ed77905067c952521f22b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.439507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004637/publication.mdobserved 0b7e89e175b0d9231eec685fac7a1d5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.425693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004637/publication.txtobserved 0dd60c7369fe66a9779572599e6d370b...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. |
|---|