OpenTechnical

OT-2026-000023031

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000023031) never changes.

Identity and time

Publication numberOT-2026-000023031 · never reused
Internal UUID01a0ae70-46ec-716e-8ce5-fa2de23cd29d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023031
StatusPUBLIC

Content hashes

Canonical texte3250272465f8cdbbb82efc3c2fdc6ee4b9afd6b18ef7694a7a000ef19240c65
Markdown93e1ad04557cbc20d1b703badfa018a3b675d036119e1fa48e4ac9c12f62eb90
PDF
Publication page4b23432986182b2e924e0a2b02329a8c1cd49fcb1a5fe4ce9bbc7909f393c4a4
Manifest23f9b551750562486cf211537b359cd67c233f10d0ef5155111369023d619bf2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureXEwxy3hujvMZRwcoDkzxdjJxCVgsb99EdglAUj1PGKfs4eU0JWq6ouFDqBNLQCEB2TPnytj52FIz6Y72hLe6CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:37.926728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023031
observed 4b23432986182b2e924e0a2b02329a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.906102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023031/manifest.json
observed 23f9b551750562486cf211537b359cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.887822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023031/publication.md
observed 93e1ad04557cbc20d1b703badfa018a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:37.870669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023031/publication.txt
observed e3250272465f8cdbbb82efc3c2fdc6ee...
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 archivePending 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 packagePending Custody packages are produced weekly.