OpenTechnical

OT-2026-000071198

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000071198) never changes.

Identity and time

Publication numberOT-2026-000071198 · never reused
Internal UUID01a0ae91-e0eb-792f-8e55-7d9433f97055 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071198
StatusPUBLIC

Content hashes

Canonical text854b3923704632bc5355e1951381d652bf74a81e81a63d42662f65d8e4ecbf2a
Markdown736df2f93fff6cd658626dc33166c127a227272082df94fb6590d77e38d35d5b
PDF
Publication pagebc43bffcc1aaac99a1bd560a8592ef493903bc2bc35345f3ced284f3f4e9b62e
Manifest78bb0d6fdb18e66a9cf811d786aac9422fe7b56a8f5f09de8d593721a935603b

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
SignaturegorQhzijoc/yOIBAAIa3KVgTL2m4nRRVEYP07jjSJnVWjYugo2tnWe9sQTzFUaxx7GL/MdrziljT2vqkUhJTAA==
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

2026-09-17T10:24:43.275061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071198
observed bc43bffcc1aaac99a1bd560a8592ef49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.258627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071198/manifest.json
observed 78bb0d6fdb18e66a9cf811d786aac942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.241675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071198/publication.md
observed 736df2f93fff6cd658626dc33166c127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.224609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071198/publication.txt
observed 854b3923704632bc5355e1951381d652...
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.