OpenTechnical

OT-2026-000012476

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000012476) never changes.

Identity and time

Publication numberOT-2026-000012476 · never reused
Internal UUID01a0ae6d-39f7-7f61-8347-1b864b36e4a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012476
StatusPUBLIC

Content hashes

Canonical textfc66b0b3d6988f2f8b24e107d154714783676f773e63d1d542f59dc783a9da10
Markdowneb27fe8343d3b945ece066c9752eee6334c464d9f0e9e08b4a8ad86e09124b1d
PDF
Publication page8627fc69b446959f0141ef2a0bcb1306b63f833010a69ad37dde91d4c2cd9108
Manifestf718e2eb3fd2700ad49c27709e8882677e4e009a34fe091e6616cf62304f062f

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
SignatureX4ZJiWxz8j3SQ4x262Ge6Sx4KMTcEooprxTP4NI0nEtslp5cVHZAjGjGbjVFzAzZ5nzlG+fMOxZX0BbsREDtAQ==
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

2026-09-17T12:11:59.298537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012476
observed 8627fc69b446959f0141ef2a0bcb1306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.280503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012476/manifest.json
observed f718e2eb3fd2700ad49c27709e888267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.262916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012476/publication.md
observed eb27fe8343d3b945ece066c9752eee63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.244786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012476/publication.txt
observed fc66b0b3d6988f2f8b24e107d1547147...
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.