OpenTechnical

OT-2026-000013033

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000013033) never changes.

Identity and time

Publication numberOT-2026-000013033 · never reused
Internal UUID01a0ae6d-5564-777f-a01b-f4912ab9d26f · 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-2026-000013033
StatusPUBLIC

Content hashes

Canonical text81ab4b526e6568d62bf86a0c76ba1ed5305f3a41f509baf0dd9f5be318d71e8d
Markdown7fc9abf0e6061463a1f616af6af656c1cb74e8035b533cb1c9d1ee5dff984e02
PDF
Publication page52736926bb503cd79c6e90496119d60b5ca2bd33f3b36870460f6ab9507e91cf
Manifest137aa6bf83de9326d4662c65b3c17ca10c142b9ee70bb31194c8b5caa2b277d4

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
SignatureFKtu8SETbj1gFNvjs43I/6BQU+VpCmILnkDx0VbApLYYBna17P8yAs2OYW3SZerTQBn4Ag0BhrNH8m2/r0qeCg==
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

2026-09-17T12:10:51.739495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013033
observed 52736926bb503cd79c6e90496119d60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.721278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013033/manifest.json
observed 137aa6bf83de9326d4662c65b3c17ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.703761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013033/publication.md
observed 7fc9abf0e6061463a1f616af6af656c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.685115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013033/publication.txt
observed 81ab4b526e6568d62bf86a0c76ba1ed5...
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.