OT-2026-000005652
Publication integrity record
Porous face vacuum gripper, two zone face, pump fed, pressure verified, 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-2026-000005652) never changes.
Identity and time
| Publication number | OT-2026-000005652 · never reused |
|---|---|
| Internal UUID | 01a0a940-4b4f-78f1-b739-51a2d2daa172 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:05:58.225715Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005652 |
| Status | PUBLIC |
Content hashes
| Canonical text | a842efae9970a6b737b1976c27a84ba09c60564d32d56479caf69e07ef9b6874 |
|---|---|
| Markdown | ff581864bb81898c8b28c23425e95921f9981d806ba239270cbdcb9b349329a8 |
| Publication page | 08ab797ef3d795ebb174115d4ffbfa54ade10fb0247e5d4a1351efb9631fc746 |
| Manifest | 9992edbe0f75b2139a45f126bee10c69a71acf25ba83970ca13483f87ede83b5 |
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 | f7X6bvRyo5g8iaI4vIOkVK+PracfAwDVpQSkRdZf+4btrd5woPdH77NLXiB/6SccPdLNAd96vlrsSHnoztzxAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:15.985647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005652observed 08ab797ef3d795ebb174115d4ffbfa54...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:15.969967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005652/manifest.jsonobserved 9992edbe0f75b2139a45f126bee10c69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:15.957147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005652/publication.mdobserved ff581864bb81898c8b28c23425e95921...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:15.943111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005652/publication.txtobserved a842efae9970a6b737b1976c27a84ba0...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. |
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