OpenTechnical

OT-2026-000051487

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000051487) never changes.

Identity and time

Publication numberOT-2026-000051487 · never reused
Internal UUID01a0ae83-7c80-7290-a338-de0bbfd9765b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051487
StatusPUBLIC

Content hashes

Canonical text075e947a35511b9603621351eb01967b686714243451223b2679d50245a25187
Markdown0711fe63d02e5ee629007b836ca5261687d1d4a3a0850394caa0cd277d3cb40f
PDF
Publication pagead232996fd31d2815173c24da2dbb1462b66affe09b09a5995e83e289b7fe7b8
Manifestcd4a1d622a0e89b03e3cbb7bbb3b1c0cc7268351a0bbb2442ac75dea2d1723b2

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
SignatureSUjPR+zwYXjcF0BALaZXgZRcnns0Osk1BOL+Rm4WELHUAI4yKDrIdGIgeCkiMX1Do1c/4n0BFPSZT94DgZtGAg==
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

2026-09-17T10:58:13.496165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051487
observed ad232996fd31d2815173c24da2dbb146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:13.479390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051487/manifest.json
observed cd4a1d622a0e89b03e3cbb7bbb3b1c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:13.461872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051487/publication.md
observed 0711fe63d02e5ee629007b836ca52616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:13.444008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051487/publication.txt
observed 075e947a35511b9603621351eb01967b...
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.