OpenTechnical

OT-2026-000037487

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000037487) never changes.

Identity and time

Publication numberOT-2026-000037487 · never reused
Internal UUID01a0ae77-b8ce-7add-9a07-c3acbabce09c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037487
StatusPUBLIC

Content hashes

Canonical text107b51adb6b7418a10cc8bcd5c3c46eb0f56d6a43b8a8410b1c5a1c7ebdf2755
Markdown3ffe213f9a269b29e866bfaaa0cb38103eee895d8beb4997d670a1dec8824233
PDF
Publication page292dde706a5bcef5b1cc2aa9f6a0c6fa620d5325c4c4965a5e5b7498e9272eaa
Manifesta6d41943b198e1695a093467388646b311868c03dc50a78dd393d8ef1b83fda6

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
SignatureU7Yhj76kXWGBFRMfG5XMEcIjNNhskxFAoy7bJ9i9n7npRLJkbyLRcYUvPF2pKM5bCmZO56/+TzeorTHzGVzfDg==
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

2026-09-17T11:23:55.792176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037487
observed 292dde706a5bcef5b1cc2aa9f6a0c6fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.775205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037487/manifest.json
observed a6d41943b198e1695a093467388646b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.757473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037487/publication.md
observed 3ffe213f9a269b29e866bfaaa0cb3810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.739895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037487/publication.txt
observed 107b51adb6b7418a10cc8bcd5c3c46eb...
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.