OT-2026-000007048
Publication integrity record
Vacuum cup gripper, common isolation valve, pump fed, rubber cups, flat form
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-2026-000007048) never changes.
Identity and time
| Publication number | OT-2026-000007048 · never reused |
|---|---|
| Internal UUID | 01a0a970-c906-7fc0-b872-dd9322b2ad9b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:58:56.137141Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007048 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e21f8a571ffd12f74e710d2fb5baa0fa86a3ee5b2537e1cabb733d7364b94e3 |
|---|---|
| Markdown | 26449a829fc53a7bb1042248bfb010558e257d2454dc0bbb0c3e140b76cc7abf |
| Publication page | 2d0c62726060c9b6ce9023efff5abfdd1095d1da7933063b95a33c91950c46e2 |
| Manifest | 000413a407d9a529c6b50d06c725a1a07f7d9894ae06e4d9f3a40976f60b1b79 |
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 | k52UCgjEB0Escvfczh+lMTmVQqDevSiyNkwqZKDYv0b98/K9IbAdfFwhNs89Jkyc0hV27KYl3bGMsI2L4bsVCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:00:07.941319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007048observed 2d0c62726060c9b6ce9023efff5abfdd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:07.928003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007048/manifest.jsonobserved 000413a407d9a529c6b50d06c725a1a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:07.915399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007048/publication.mdobserved 26449a829fc53a7bb1042248bfb01055...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:07.902887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007048/publication.txtobserved 5e21f8a571ffd12f74e710d2fb5baa0f...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. |
|---|