OpenTechnical

OT-2026-000102601

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000102601) never changes.

Identity and time

Publication numberOT-2026-000102601 · never reused
Internal UUID01a0aea4-858b-7a23-bdb3-b55d4eecab45 · 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-2026-000102601
StatusPUBLIC

Content hashes

Canonical text5c918ac8cde4ef633fe4ff7cec66c93de9a0377c1cb5b487d3b5cd5352404cba
Markdownf45bc557dd0f0221b250da0647c930749aacf8d5496844d58851b013a0141465
PDF
Publication pageb34246dd9b5cb41fe44dcf7de3ece4176d3bd4f4d781857341b09135e71fd600
Manifesta09cbe798d11ba12855eb7f6179fa912b3d525142654159e962d1770446b5e4c

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
SignatureSeCMUsFk2g0GRisnqzWQ0z/UOzmnEIAlREv0+Y8t0mgCEvuGTz7FgcG5PYddsV3tAkperwtw3bz7NifUllUeAw==
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

2026-09-17T09:24:05.281947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102601
observed b34246dd9b5cb41fe44dcf7de3ece417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.263873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102601/manifest.json
observed a09cbe798d11ba12855eb7f6179fa912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.244681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102601/publication.md
observed f45bc557dd0f0221b250da0647c93074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.223827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102601/publication.txt
observed 5c918ac8cde4ef633fe4ff7cec66c93d...
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.