OpenTechnical

OT-2026-000044130

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000044130) never changes.

Identity and time

Publication numberOT-2026-000044130 · never reused
Internal UUID01a0ae7b-d67a-7b6d-b9f1-eb25ad340b84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044130
StatusPUBLIC

Content hashes

Canonical textf143fd9dca6e4d9aa52b68cd19e55c6a6be8e26c3143a14d1323a95ca2c9d954
Markdown2229603d22cac2ef6f0cd617e3d49ac407ccb63981702bc29b27a5ecd39c03dd
PDF
Publication page24c57fbb78d82d80b6cad8dc93abf56ba341df104d1fc276f0de89050de6ed57
Manifest033655fe41286922e484817bd69cf355501ce19cca973d38e33c1e5d08f52054

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
SignatureW5rItOjIa0Gn13dPDsdYpl56T16pk238NoBeRCtU+6jpyUL+MvDL8pz8LpiL2hV2erIddgFkpsuvqyLG9FEJAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:32.916896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044130
observed 24c57fbb78d82d80b6cad8dc93abf56b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:32.898544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044130/manifest.json
observed 033655fe41286922e484817bd69cf355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:32.878867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044130/publication.md
observed 2229603d22cac2ef6f0cd617e3d49ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:32.859321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044130/publication.txt
observed f143fd9dca6e4d9aa52b68cd19e55c6a...
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.