OpenTechnical

OT-2026-000089565

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089565) never changes.

Identity and time

Publication numberOT-2026-000089565 · never reused
Internal UUID01a0ae9c-1a21-78d4-ba46-170e4d09bd77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089565
StatusPUBLIC

Content hashes

Canonical text3ad8e6a5c6776a9f1514fe549be87e92586c2869e5d4355757e595115cce203b
Markdown1b76dcf83ac4807296a80b1d2501218b4897037389d68082f96c7273d2a6a18a
PDF
Publication page642e8ae29d3157b5ea78e9deff9c0c3bffe51c36bbf4179cfbc4f2db538eb47b
Manifestaea0d8b17790258c8a29fc5ccc2e4068cacb9485f495816bb283d5b3087d470a

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
SignatureGItawJbBd9CfgDz9wSbWq3cfES4md9iiUG6d3oP827DuAEbT9JZ+GXzQHq8X+RMq24JmxRuvfct1AqPwL4dNDw==
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

2026-09-17T09:46:32.298910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089565
observed 642e8ae29d3157b5ea78e9deff9c0c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.280683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089565/manifest.json
observed aea0d8b17790258c8a29fc5ccc2e4068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.261741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089565/publication.md
observed 1b76dcf83ac4807296a80b1d2501218b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.243721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089565/publication.txt
observed 3ad8e6a5c6776a9f1514fe549be87e92...
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.