OpenTechnical

OT-2026-000011143

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, vented 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-2026-000011143) never changes.

Identity and time

Publication numberOT-2026-000011143 · never reused
Internal UUID01a0ae6c-540f-7575-b3a5-9299202d9cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011143
StatusPUBLIC

Content hashes

Canonical text0dc8a042cd4bbfa9f9e28ec8053f83493447ead863eefc6254d397dca4341316
Markdowndc81de8444f417068ae24c08a88fd9412c2b187e38986d417282424fb4bb0460
PDF
Publication page1602a3a74aea4074205db254b5dd87067bc0f13acffb64567c528b2bd30d7718
Manifest0a63b719910bd3260c25b148a3686306c8ca2ac2daf88728bfd0e384a117cf30

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
SignatureKOypWVoaEUwXh+UvQ4x0yKCof5prtLFvlH0EOws44lUdOZ+tqX0CN8W2oge3Qr5MJTUGSOp9j5u1ncjvRrHoAQ==
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

2026-09-17T12:14:00.271838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011143
observed 1602a3a74aea4074205db254b5dd8706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:00.252325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011143/manifest.json
observed 0a63b719910bd3260c25b148a3686306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:00.232271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011143/publication.md
observed dc81de8444f417068ae24c08a88fd941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:00.210536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011143/publication.txt
observed 0dc8a042cd4bbfa9f9e28ec8053f8349...
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.