OpenTechnical

OT-2026-000067921

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000067921) never changes.

Identity and time

Publication numberOT-2026-000067921 · never reused
Internal UUID01a0ae8f-c4fc-7c0c-9162-909107c973ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067921
StatusPUBLIC

Content hashes

Canonical textba0d341cafe57364965c502da06fbd4542730c49cb0422ce9ce5212a4e6a3982
Markdown33a7dec2b67b49de8a04a1dd0146107bba674a363e9fba052a64cea36d6bbc20
PDF
Publication page6d5f24477c57efac1fa5ca974f8b68f3caafb74b5e48105d8c6ae3d6659ff5d6
Manifestf3d7fe3420893f443e8eead47036e4c929279028a7126ebdc8181de9ff99d188

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
Signature71mKRgbDfx46EnRFuAsWrA56Emyf24kqgEHSkZ7jn/uFHctRWZ8PounF8CSHdNeB1oyJe9byRq6ZP9EVO3IEDg==
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

2026-09-17T10:30:19.760537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067921
observed 6d5f24477c57efac1fa5ca974f8b68f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:19.738339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067921/manifest.json
observed f3d7fe3420893f443e8eead47036e4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:19.714416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067921/publication.md
observed 33a7dec2b67b49de8a04a1dd0146107b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:19.693781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067921/publication.txt
observed ba0d341cafe57364965c502da06fbd45...
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.