OpenTechnical

OT-2026-000039741

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000039741) never changes.

Identity and time

Publication numberOT-2026-000039741 · never reused
Internal UUID01a0ae78-d8d5-7be7-88cc-dc4050d29ae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039741
StatusPUBLIC

Content hashes

Canonical text9f43c631001459e16c826426f71e4dc56fcf788775f5beadf4669c5147052b61
Markdowna0e8035938b016490dae77a9cbaaec20367d9f59145087b3733b55214d244d9e
PDF
Publication page67ccc27d65efabf9f5a6ebd57c3e0b7e1175ddc4fbd725e27fb8dda2bf57c74a
Manifest74913a0804240259a4ad1f706f2ab53c2c7df162ede22efe336a6e159cfd81ef

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
Signature57J+eVXVKpjZdOGgEQQgmzf9/KCKXS8SAY63Ia0N++WSP3wJTiwCQzR+2s0mjb2wEk1dj9Wxn2QFosDZydzeCg==
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

2026-09-17T11:19:56.804322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039741
observed 67ccc27d65efabf9f5a6ebd57c3e0b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.786494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039741/manifest.json
observed 74913a0804240259a4ad1f706f2ab53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.767778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039741/publication.md
observed a0e8035938b016490dae77a9cbaaec20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.723160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039741/publication.txt
observed 9f43c631001459e16c826426f71e4dc5...
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.