OpenTechnical

OT-2026-000037658

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000037658) never changes.

Identity and time

Publication numberOT-2026-000037658 · never reused
Internal UUID01a0ae77-b8cf-70a5-970c-d3f7a5ee0754 · 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-2026-000037658
StatusPUBLIC

Content hashes

Canonical textd43c96e09dba142b5361f20e5a7fdcb57802ea7d6a58206119f9d32eb485a4c1
Markdown21b7e3a9090eb6b705a6ab5d2289193c56f25a2da1fb0264f03849bd8d34b92b
PDF
Publication pagee68ce8fa7442a5eae551ec63f9ab910f82281316074fa11219280c93c37769a5
Manifeste96fb58bb6b2a9aae71568d12e21e03d4d04c32ca89824a1915855397c7cf684

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
Signature8hOR5B5KeVKteSL2z6156+dR0BY6fK+d5Se/Hfh7siO6sy53MzasncwPO8VpOG4Ar0hePKLaTDJJ0rpbn/WHAw==
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

2026-09-17T11:24:13.933672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037658
observed e68ce8fa7442a5eae551ec63f9ab910f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.914810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037658/manifest.json
observed e96fb58bb6b2a9aae71568d12e21e03d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.895550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037658/publication.md
observed 21b7e3a9090eb6b705a6ab5d2289193c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.877194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037658/publication.txt
observed d43c96e09dba142b5361f20e5a7fdcb5...
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.