OpenTechnical

OT-2026-000099756

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000099756) never changes.

Identity and time

Publication numberOT-2026-000099756 · never reused
Internal UUID01a0aea2-c977-79ba-bfef-2f69418a9708 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099756
StatusPUBLIC

Content hashes

Canonical texte78e3d9cd46e52ee4749059dc54d813ee13eec9dd31c69e692f57d7d7c1e3957
Markdownd923d13cbc4ac565aede0a395431f05713bbafeeebd7e79f51da584489dd0d3a
PDF
Publication page2a4671e2d5de7a355ee27b7a83ef58ced212eb74f5a99d82a780eb667bc9d96c
Manifest3beb8dcd67075145655943b3bd85c440e3621b553a727f65db893e2d50bc626f

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
SignatureNrb6OAvK2XabBrINCjpPR1C9e4Y8Jr16CttFcqM5JEes9NbPwzhT0XNiqWeQuE6q0WKxrTpeBdfSSQ9GwlG9Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:46.990900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099756
observed 2a4671e2d5de7a355ee27b7a83ef58ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.973980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099756/manifest.json
observed 3beb8dcd67075145655943b3bd85c440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.956223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099756/publication.md
observed d923d13cbc4ac565aede0a395431f057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.938715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099756/publication.txt
observed e78e3d9cd46e52ee4749059dc54d813e...
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.