OpenTechnical

OT-2026-000056275

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000056275) never changes.

Identity and time

Publication numberOT-2026-000056275 · never reused
Internal UUID01a0ae87-4bd1-7029-b6c4-390c9f1b59fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056275
StatusPUBLIC

Content hashes

Canonical text0f0e9f61349b84a632991f36fabcd9205d8f0c011c1e49c3649bef623509e298
Markdown235b69a639311c3aa7a9845a271f0a688f28dfc371a4d3e4aab748b8e0a3a0eb
PDF
Publication pagedd0bf298351bacc9d80b3c07a215ea7d4ef41147efe8f59cd7591b2953f23b03
Manifest634f0053186f4dffde5398ca24a53fafe8bb1121838062e336070e3489c1e4f6

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
Signature75UN0WYr+d6t9zLlqy6HywzvtCv2ZJLrDzXQX2Ew0ejDG+iEswNC5mSOYG24wgTgXOfnO+xT96dSoTtYXGqACg==
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

2026-09-17T10:50:45.748407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056275
observed dd0bf298351bacc9d80b3c07a215ea7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.730465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056275/manifest.json
observed 634f0053186f4dffde5398ca24a53faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.711457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056275/publication.md
observed 235b69a639311c3aa7a9845a271f0a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.693744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056275/publication.txt
observed 0f0e9f61349b84a632991f36fabcd920...
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.