OpenTechnical

OT-2026-000009855

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000009855) never changes.

Identity and time

Publication numberOT-2026-000009855 · never reused
Internal UUID01a0ae6b-cb78-7740-804b-ddd5923df1a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009855
StatusPUBLIC

Content hashes

Canonical text622acb136e410d310ac9162311bc8a608f10f41407c6a300da98278584b5ebd7
Markdown28597dea81374cac120218cec556d334a8c38f5195bd8b3612991fad5166eca1
PDF
Publication page7d90ebb9b6fa987c7118d9601ebf69c273a2b2503324dfc365f4a397add8bc04
Manifesteecc79a42e0c4c18008df0618ddd547df7d5e175dc78bd672f49fffef01e047b

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
SignaturetjRB8VjhIQOcBkHFQsDUq7CcgxeStJuk9yUyXLBJnocyKQcX/EJJdPfoLC2J8mRVMbtPi3pPM4vt9oGnn5IKBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:51.259032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009855
observed 7d90ebb9b6fa987c7118d9601ebf69c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.238721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009855/manifest.json
observed eecc79a42e0c4c18008df0618ddd547d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.216626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009855/publication.md
observed 28597dea81374cac120218cec556d334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.194631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009855/publication.txt
observed 622acb136e410d310ac9162311bc8a60...
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.