OpenTechnical

OT-2026-000084121

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000084121) never changes.

Identity and time

Publication numberOT-2026-000084121 · never reused
Internal UUID01a0ae98-5b5f-7b8a-83ba-9d6c0fea038b · 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-2026-000084121
StatusPUBLIC

Content hashes

Canonical text81d3e5bf96f7dbbe64c267c82773c4abe6942c04c25e0aff2991f1e72748bde7
Markdown2944d5298c50c59992638774aad948bd97bfa702485051540d58336b1811763d
PDF
Publication page0968eee61dc049a1637c48ee6371b8c0e00191d66841b5573e4609116fb795b6
Manifestdf1a9f2c1802856b4893ceb5753d317b2a4248a05aa6b3376bd5ccd6cd624188

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
Signature++NVxJ/J9U5ne4nb0KQnFL/y80sEEQzIvveZQi6Gr4qaUuVtR2mhIajd0QGhrrn+ukmI0SV4BmXcYDxycX3NDg==
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

2026-09-17T09:55:52.849737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084121
observed 0968eee61dc049a1637c48ee6371b8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.828866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084121/manifest.json
observed df1a9f2c1802856b4893ceb5753d317b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.808512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084121/publication.md
observed 2944d5298c50c59992638774aad948bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.789639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084121/publication.txt
observed 81d3e5bf96f7dbbe64c267c82773c4ab...
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.