OT-2026-000004658
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, four outlet manifold, pump fed, pressure verified
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-2026-000004658) never changes.
Identity and time
| Publication number | OT-2026-000004658 · never reused |
|---|---|
| Internal UUID | 01a0a91f-1e40-709d-aff6-687447517da5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:44.121849Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004658 |
| Status | PUBLIC |
Content hashes
| Canonical text | 040faea30e32a0f25ea24e4116efaec321bbaccfdaabe03f94a86e0a0c107895 |
|---|---|
| Markdown | 6a2968ec4b5a7a022dc8370d60cf9e6e7106879ce2b40463733b2397205fdf28 |
| Publication page | 3b01a200847aead964d15e046390f6e2ca43b5cb9f3015e3efbcee13545a946d |
| Manifest | 87c445e1e314c76fe0886f51aaa951c73453163ba1ab18b8bd4e0706401770e7 |
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 | nzB55cMfdgJWswe2y6ZHSlsw1zp4tWCYdA9u+mAsodtENHwZgS1cfTAt2f3qLUM/SVauxE96WVSNe41d60FADQ== |
| 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
| 2026-09-16T07:30:03.633563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004658observed 3b01a200847aead964d15e046390f6e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:03.621856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004658/manifest.jsonobserved 87c445e1e314c76fe0886f51aaa951c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:03.491543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004658/publication.mdobserved 6a2968ec4b5a7a022dc8370d60cf9e6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:03.461009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004658/publication.txtobserved 040faea30e32a0f25ea24e4116efaec3...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. |
|---|