OpenTechnical

OT-2026-000010505

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000010505) never changes.

Identity and time

Publication numberOT-2026-000010505 · never reused
Internal UUID01a0ae6c-0ee7-714f-90a4-b30fbf3a27af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010505
StatusPUBLIC

Content hashes

Canonical text738dfb129820f8f400db4bfb704484d6f82ad4aabd71006d1b3b9643c70a68ba
Markdowna63e3d50c5f8a61f362f7d0215f10689ce155decf59ae209a0bfc64f183f04e2
PDF
Publication page3d1769ded7c5f943c9a4b7bed6506067837e84411cbbddf071a032f058bf76e1
Manifestd10155a314f8a8f6ac166ef1402098cce511137480ada2c356731465dbf2135e

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
SignaturepCKKalVRl1yDKydkBXDo0lVQem6PyioUnnAyuv+Gxiqb71EqAL3EXpXNEpay/8LjgdjncS5vD6ncOn4izS5oDw==
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

2026-09-17T12:14:39.605301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010505
observed 3d1769ded7c5f943c9a4b7bed6506067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.587121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010505/manifest.json
observed d10155a314f8a8f6ac166ef1402098cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.567034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010505/publication.md
observed a63e3d50c5f8a61f362f7d0215f10689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.547690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010505/publication.txt
observed 738dfb129820f8f400db4bfb704484d6...
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.