OpenTechnical

OT-2026-000081061

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000081061) never changes.

Identity and time

Publication numberOT-2026-000081061 · never reused
Internal UUID01a0ae96-b976-7cf4-a886-d674ff17e5ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081061
StatusPUBLIC

Content hashes

Canonical text1669c6bb9c6bb18f8a4879e32587ccc7bfcae48c442ce2747535ccf18c4ae658
Markdown7d5cf032873f3e95d9e4f4827866bb6c16861384b09da59e8b584043cdc5bd18
PDF
Publication pagec34d6e6594d2a1699036bdd6e46ee1f750f5ce8228f9821fb04af39024eefed1
Manifestec9bb2b9edcd967898cff09ee957ec6cc7c2eb5d2fe1c2d0149ea5b93c12b051

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
Signatured5dvxf+6QhefR+oZvUL9dBL2luRmvmiaXGyIeGYEVU3pliiFj9zdfYFXSpp0zukF5DtjTouqNQ0b3gb0GRLhAw==
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

2026-09-17T10:02:21.441609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081061
observed c34d6e6594d2a1699036bdd6e46ee1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.424386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081061/manifest.json
observed ec9bb2b9edcd967898cff09ee957ec6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.406026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081061/publication.md
observed 7d5cf032873f3e95d9e4f4827866bb6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.389197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081061/publication.txt
observed 1669c6bb9c6bb18f8a4879e32587ccc7...
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.