OpenTechnical

OT-2026-000089372

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000089372) never changes.

Identity and time

Publication numberOT-2026-000089372 · never reused
Internal UUID01a0ae9b-db01-7d2e-94f4-d9f4afdd659c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089372
StatusPUBLIC

Content hashes

Canonical text64d6147ca549725cc05ab340dbe7d6cd2afefee24cfa0e0e0d5abd96a6a27dd6
Markdown9c6b9896733ac5d6d2c5e6ba8d16c26fe67b5e487c87a2e880aac05c45ac7618
PDF
Publication page1c8d23e08bab7012f21a89dd9aaca26f97e9e4cbe8270a1f9bbb6df95e93f82a
Manifestdb9570d9bf1ca69ab793de4c379943acfb408f61fd45220fcd2b354d179c1f99

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
Signature4GL6zIVaBRYnCXPfAjw8V+f6bA68us23iD7KEYwGYFzdEVIZ0iMqYugpvoFHJ35aXJ2uaR5kbf+U/tk5zCPABA==
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

2026-09-17T09:47:30.455666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089372
observed 1c8d23e08bab7012f21a89dd9aaca26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.437318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089372/manifest.json
observed db9570d9bf1ca69ab793de4c379943ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.419368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089372/publication.md
observed 9c6b9896733ac5d6d2c5e6ba8d16c26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.403156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089372/publication.txt
observed 64d6147ca549725cc05ab340dbe7d6cd...
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.