OpenTechnical

OT-2026-000012629

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000012629) never changes.

Identity and time

Publication numberOT-2026-000012629 · never reused
Internal UUID01a0ae6d-5561-7617-a91d-82c71e720bea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012629
StatusPUBLIC

Content hashes

Canonical text37dd38303eaabaabb8a9c5ccb18909a6669ffc4077308f2a85a80fbd2fd2609c
Markdown812135154342e08eef2bfd5166a5511cb2c73e83f4401b82541e91f22e102e88
PDF
Publication page3327ae09d0abcab04c445b9a9d8c8a9568ae66695a859093ecdc1fd2821628a8
Manifestab88ad40e06e5947c68c9f07b2c9bb79b5ea3da7c1ed0f1e64170a73bcf352e6

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
SignatureqkBNP6z9T6slrqulpav3pidJlt7vhN+gO/iAMRm2k5GILBsfJ/IUFOg6EYLm8JGRFceFF06wOF8mZy9fw+HjDQ==
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

2026-09-17T12:10:15.404426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012629
observed 3327ae09d0abcab04c445b9a9d8c8a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.384961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012629/manifest.json
observed ab88ad40e06e5947c68c9f07b2c9bb79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.364273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012629/publication.md
observed 812135154342e08eef2bfd5166a5511c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.233083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012629/publication.txt
observed 37dd38303eaabaabb8a9c5ccb18909a6...
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.