OpenTechnical

OT-2026-000071695

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000071695) never changes.

Identity and time

Publication numberOT-2026-000071695 · never reused
Internal UUID01a0ae92-1e91-76d5-97d7-9f500f058b51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071695
StatusPUBLIC

Content hashes

Canonical textfeadce4fc763ed18cddca6db7c2e0a491d52d8a9c7cb53430558d367f7ebd310
Markdownfd8f4084a7019892aea27a99d889504993d4805f4e4b3b7f57020667fe1f1ce5
PDF
Publication page6f69d7fd637edcd14aa595b2c85a3af511e17074ae5ef2e2719119b20690055b
Manifest16414367757a405035c10fc0d87ee5c19ebe9c9a52c5991a83887ca3f6843cc0

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
Signature/2pO62mzgBnfX/N3Tay2d8dXhTMoH6a3Jk62vs9fBSXlKtb4Tsr/OJ3iYfxopjGhPa+aGUExED47zDrm+iMSAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:45.271746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071695
observed 6f69d7fd637edcd14aa595b2c85a3af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:45.245037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071695/manifest.json
observed 16414367757a405035c10fc0d87ee5c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:45.220197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071695/publication.md
observed fd8f4084a7019892aea27a99d8895049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:45.194469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071695/publication.txt
observed feadce4fc763ed18cddca6db7c2e0a49...
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.