OpenTechnical

OT-2026-000042679

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000042679) never changes.

Identity and time

Publication numberOT-2026-000042679 · never reused
Internal UUID01a0ae7a-c0cf-7a0b-9430-02d2cfb7a538 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042679
StatusPUBLIC

Content hashes

Canonical text76810c2ec065a56f98b0f28e99391e211ab8e3fb7b1268084738c39497c45d0d
Markdownfd1fd4bb5ba4b21fc2e3daa76fa58181ba3216fa8e361457a169f22cf217847c
PDF
Publication pagec353f48bb474d020024138c219c0011f6de0bc908a804d1cb7cfdc9fc0e5fbcc
Manifest62635a12500ce9b831322a2ad33f327c213f6555d81b873ea54d8360179561ba

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
SignatureeQV4FLaHwUwVTzt2Y1+nhDR2IFO07UwCfLdEOvAtiwLNwOAPUYbqBjqNvr+AWeKL82oULkY7AqfpoXbT32tlAg==
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

2026-09-17T11:15:01.895931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042679
observed c353f48bb474d020024138c219c0011f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.874380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042679/manifest.json
observed 62635a12500ce9b831322a2ad33f327c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.854046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042679/publication.md
observed fd1fd4bb5ba4b21fc2e3daa76fa58181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.831202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042679/publication.txt
observed 76810c2ec065a56f98b0f28e99391e21...
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.