OpenTechnical

OT-2026-000055371

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000055371) never changes.

Identity and time

Publication numberOT-2026-000055371 · never reused
Internal UUID01a0ae86-a101-7ebd-8fe0-841a4f65ca15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055371
StatusPUBLIC

Content hashes

Canonical textaabdb7763492dcfda0dfdc717bb708aedd6b82d48b86fec65d4055530e6a22a8
Markdowncb484a7c0c40c0783679273e6f25020748b337c1539b321ed84c6397c3090e20
PDF
Publication page3bc72413b12c870baeea36f2dbb02c6cb5fc88c5ced3d935b86d7ed771c2aa50
Manifestc81a1e5723f36a6490886c641aec29838f6ca8f184518f57235deb87b788cc84

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
Signatureys6XzIcE2fd0g+hYGPljCHm9rsGS49BkZLq0c5xJEHLX6ZYiOaZ5Ud0U9LWd8IFv6HJ7QPjIvITjkL8/BGBhDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:00.117777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055371
observed 3bc72413b12c870baeea36f2dbb02c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:00.100532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055371/manifest.json
observed c81a1e5723f36a6490886c641aec2983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:00.082400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055371/publication.md
observed cb484a7c0c40c0783679273e6f250207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:00.065198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055371/publication.txt
observed aabdb7763492dcfda0dfdc717bb708ae...
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.