OpenTechnical

OT-2026-000102357

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off 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-2026-000102357) never changes.

Identity and time

Publication numberOT-2026-000102357 · never reused
Internal UUID01a0aea4-8589-74be-af92-ca8aba8a36b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102357
StatusPUBLIC

Content hashes

Canonical text768c234e1176a328fe0d55e198aef323a9c646cea1afde65ab1c75b3ac7421cf
Markdown19e47a1eb50fae218555a9ebc1f49c277bc0295d229e20c6eb9a0a43eaadc65a
PDF
Publication pagee3f66fb2355372b531dfbed2094822e5c8fa8d565451ad2422392c4ce6abd373
Manifesta75fc5fe7de0c9e623009f888db5a6aa08ce4398e7ac8cbf050ee409301a1f91

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
Signature7oAzNaZLVqyI8gpq9MOH+2UYuDnpgoapI+x3MsqzWgioO8n8zRD6oBhK/mGrUeomzKzZsOUzzJ1ye2/h8w32Ag==
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

2026-09-17T09:23:41.614527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102357
observed e3f66fb2355372b531dfbed2094822e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.595229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102357/manifest.json
observed a75fc5fe7de0c9e623009f888db5a6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.577264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102357/publication.md
observed 19e47a1eb50fae218555a9ebc1f49c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.561222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102357/publication.txt
observed 768c234e1176a328fe0d55e198aef323...
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.