OT-2026-000006652
Publication integrity record
Porous face vacuum gripper, four zone face, pump fed, pressure verified, contact triggered, open cell
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-2026-000006652) never changes.
Identity and time
| Publication number | OT-2026-000006652 · never reused |
|---|---|
| Internal UUID | 01a0a962-c04c-73ec-8868-0c5bb8242dc6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:43:36.399510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006652 |
| Status | PUBLIC |
Content hashes
| Canonical text | 387dd2188f60af3e3787cb87b063f2c547bb9d91966796330937c88ceebf2bcb |
|---|---|
| Markdown | 7645396afa2f76c24955155fce5a39fa6f632050cdad0d240e2e83c05c9840f5 |
| Publication page | e1fed1cc199ca02f9a6a944828c40ab2f30cee0df9a62e8712da04424c281a2a |
| Manifest | df41932394ff11f51bdd89f9e7ba3a41d550d37618616a65d453f6fee95750f4 |
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 | z1BvjgW1DACTIBAKMqw5evei6M2oP2fkzgM1mwqaxgkI6uLXKGIXvn1hPDCxOavCeT/M+rU3kR+SRLT5RQ4wDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:50:20.980257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006652observed e1fed1cc199ca02f9a6a944828c40ab2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:20.966615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006652/manifest.jsonobserved df41932394ff11f51bdd89f9e7ba3a41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:20.954387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006652/publication.mdobserved 7645396afa2f76c24955155fce5a39fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:20.941700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006652/publication.txtobserved 387dd2188f60af3e3787cb87b063f2c5...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. |
|---|