OpenTechnical

OT-2026-000084253

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000084253) never changes.

Identity and time

Publication numberOT-2026-000084253 · never reused
Internal UUID01a0ae98-5b60-7145-b5f6-3a165946489e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084253
StatusPUBLIC

Content hashes

Canonical texte1607ab90b0c0e95783b985b33e77d0436998a4cc5dc55474a12462b070eb61f
Markdown762ec1dc24fe12da1ac2f893b5cb6d59425b682261d8ed0a8625fbf29975dfd2
PDF
Publication page5ef845726d8c0d36f2383fe6938e2d9283b80635585f754a6fb0f63bf76b8f8a
Manifestd407c665077cc796e8b0f459f206afe8e34aff8b68c6744765ca465bb40b9956

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
SignatureqYLut81JPqE7pJcaTbSpYBtLdbzCVhib8MoGXn1QLV+ofX9suzyp57fFIf7vnlhPJDfGTLWTpxIbLIdKBX1sCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:09.714917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084253
observed 5ef845726d8c0d36f2383fe6938e2d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.695432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084253/manifest.json
observed d407c665077cc796e8b0f459f206afe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.676065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084253/publication.md
observed 762ec1dc24fe12da1ac2f893b5cb6d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.657312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084253/publication.txt
observed e1607ab90b0c0e95783b985b33e77d04...
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.