OT-2026-000004997
Publication integrity record
Porous face vacuum gripper, common isolation valve, three 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-2026-000004997) never changes.
Identity and time
| Publication number | OT-2026-000004997 · never reused |
|---|---|
| Internal UUID | 01a0a92a-786c-73c7-9a89-d30a554dfab1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:42:07.982838Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004997 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7065a5de960259ec829cce22bf63d39542fa89ac470d7d72d876e3045b3f135e |
|---|---|
| Markdown | a5a75e462144fb287e7d95835f1e34dab5f78651d5564a08bd3907837430132d |
| Publication page | fe1e6cdb5abb3b1672f7e5ea437fc6a32eb3556a991bca1e99ea63a3f8a2761b |
| Manifest | 7281b785548223595f6b23e9b57c8cef70448c3c1d0ad17ab8a0ae4460b4c5b4 |
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 | qD1JOXEmwlhxWH81mCAhbt50mTcVUrMPaaLtDupXg8LPR+m0flEauuFAwChpZ5G/l+nzUNckxnv2Q95UFG2qDw== |
| 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
| 2026-09-16T07:50:26.698531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004997observed fe1e6cdb5abb3b1672f7e5ea437fc6a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:26.686572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004997/manifest.jsonobserved 7281b785548223595f6b23e9b57c8cef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:26.673021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004997/publication.mdobserved a5a75e462144fb287e7d95835f1e34da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:26.661477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004997/publication.txtobserved 7065a5de960259ec829cce22bf63d395...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. |
|---|