OT-2026-000004681
Publication integrity record
Porous face vacuum gripper, common isolation valve, six outlet manifold, plant vacuum fed
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-2026-000004681) never changes.
Identity and time
| Publication number | OT-2026-000004681 · never reused |
|---|---|
| Internal UUID | 01a0a91f-f4e7-73d7-bcd9-62c10f235e4c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:30:38.954852Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004681 |
| Status | PUBLIC |
Content hashes
| Canonical text | 876ab4955ef0a7109b5133dc08aa1e601ecf9db8383f35010a30daa5cf50a31c |
|---|---|
| Markdown | 889249a1394878a5284e7932c04e89b2a0700eee1e25583a551b2aa287feaf5d |
| Publication page | ae52fdb3ccc2bdd3b528a90167a69b6ad396f836c1ddea30d27d24f96b9bf3e8 |
| Manifest | 968bbed3b61c52d605cfe92c049b78f9681b7624444dcd9c64064d30ae4f0da1 |
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 | 0cV3L4Lri5n21Q0EVUMXeG7c5c51zREvwLUHZhuZLUK5WTeg1CAa33rImTb26Gh2zF8HO5QBAmbBTy3jw6xFAw== |
| 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
| 2026-09-16T07:40:30.175774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004681observed ae52fdb3ccc2bdd3b528a90167a69b6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:30.164109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004681/manifest.jsonobserved 968bbed3b61c52d605cfe92c049b78f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:30.150605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004681/publication.mdobserved 889249a1394878a5284e7932c04e89b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:30.136801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004681/publication.txtobserved 876ab4955ef0a7109b5133dc08aa1e60...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. |
|---|