OpenTechnical

OT-2026-000037538

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037538) never changes.

Identity and time

Publication numberOT-2026-000037538 · never reused
Internal UUID01a0ae77-b8ce-7e6a-9896-5dbe905604d0 · 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-2026-000037538
StatusPUBLIC

Content hashes

Canonical texte6b3e3baec4e75c1bcf222e2da09314d01fe9f6072538cf1e955077d9d924709
Markdownf7755fc675424467cea6e2080be5ce93672b33edae56e7d77742b5bca2fd1ffc
PDF
Publication pagef4305b6912bb42abc23c48eb1a98b41e18c69d0080fd218ce61a39e0c3cf4182
Manifest1053af93b5376821e8e6385abb6035ba3b681a79346e12e2230f8ddef9567463

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
SignatureocuzK6onYB73YhLWpz7efPz6sxmbLCPmOkNEgnKaLGiNndBO2cOWPeCH6OyslW0+QEeP703bR4/bbwD1Xcw5DQ==
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

2026-09-17T11:24:04.661691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037538
observed f4305b6912bb42abc23c48eb1a98b41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:04.645108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037538/manifest.json
observed 1053af93b5376821e8e6385abb6035ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:04.627915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037538/publication.md
observed f7755fc675424467cea6e2080be5ce93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:04.609472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037538/publication.txt
observed e6b3e3baec4e75c1bcf222e2da09314d...
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.