OpenTechnical

OT-2026-000045827

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000045827) never changes.

Identity and time

Publication numberOT-2026-000045827 · never reused
Internal UUID01a0ae7d-8f05-76f7-b2c9-3e9f9026bf05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045827
StatusPUBLIC

Content hashes

Canonical textd49ad9bafb244e760a729ede9abebd7e4f085381aa4be1965dba483361d1878b
Markdown43d60c27f0602821b9a25ef512fabe105d6949add2c6c7afd938c54605391fb5
PDF
Publication page1de00704f0ec1a932367a4ccc0ad8b6c4274b5b7b82713ba4ed0b97879f1d91d
Manifest1b075937d5a3d625a5b66038532997d3b93d94e43fdd15bdc704f4f316afc16d

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
SignatureDsjfE0YSr3YDzcD+RvcDhxbGk0Vwdz6DJzSwBaUSnJRvS6TGkrIRZH6CtgzXAVKDPRsgiN0mZ6HiieoHaJvoAg==
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

2026-09-17T11:09:42.115522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045827
observed 1de00704f0ec1a932367a4ccc0ad8b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:42.096537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045827/manifest.json
observed 1b075937d5a3d625a5b66038532997d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:42.077561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045827/publication.md
observed 43d60c27f0602821b9a25ef512fabe10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:42.058997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045827/publication.txt
observed d49ad9bafb244e760a729ede9abebd7e...
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.