OpenTechnical

OT-2026-000037831

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, supply line 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-2026-000037831) never changes.

Identity and time

Publication numberOT-2026-000037831 · never reused
Internal UUID01a0ae77-f889-7a26-bece-305158f8d3c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037831
StatusPUBLIC

Content hashes

Canonical texta9804d996c102ca74c8a34e1f493b437eccd2d51cfe9e356bb450b351118c98f
Markdown3e0af398d5cb3bd203ddef519631151fcb9c4ac845157ab6e314d6d9318d0c8d
PDF
Publication page2efc73762f589dd7abe5a37ffcbd86b9ca308f42d05fd118d7c7ada61d9bcfeb
Manifestb0ccc66bc51b8d1ab93e6b8de1637ceadb2fa7bc9276e3af343833e1dc0f2685

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
SignatureZdDM1VREEo6x8ymNzsC3ESbQtPid0aPrHgxFtmwIWdCzHX7ypddxsa/F+sBrk3NWrSCG7Wi+tLlFL8rN72PyDA==
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

2026-09-17T11:23:05.056124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037831
observed 2efc73762f589dd7abe5a37ffcbd86b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:05.039531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037831/manifest.json
observed b0ccc66bc51b8d1ab93e6b8de1637cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:05.021179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037831/publication.md
observed 3e0af398d5cb3bd203ddef519631151f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:05.004029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037831/publication.txt
observed a9804d996c102ca74c8a34e1f493b437...
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.