OpenTechnical

OT-2026-000025468

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000025468) never changes.

Identity and time

Publication numberOT-2026-000025468 · never reused
Internal UUID01a0ae71-5fa8-712d-8321-648fe0623a13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025468
StatusPUBLIC

Content hashes

Canonical text85aeb3c403dee6bac108b6b39abcd4817e854dc22695f4ed06ce93d93d71455e
Markdown3b6da490034807f0f7e2f5d09613addb4c9b486099931fb966eb6d2b34f2023a
PDF
Publication page7ebcbafe349e9f838ffcaed1ebf998626da82ddfacb650caddcd55376358e37e
Manifest939615f47cbda3ea5e38bb6ad781e5db4d92669a5e63d84833d034d69c1bc995

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
Signatureh+QYvhBSGAjQg5hWyXiHk70XOrl2xFJsbzg8AykLyxZ/+jcOJbQ5BhR0Rh7HSf/crKQEiQhvhQ55LzqiWUc1Cw==
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

2026-09-17T11:47:33.358471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025468
observed 7ebcbafe349e9f838ffcaed1ebf99862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.341161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025468/manifest.json
observed 939615f47cbda3ea5e38bb6ad781e5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.315181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025468/publication.md
observed 3b6da490034807f0f7e2f5d09613addb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.287930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025468/publication.txt
observed 85aeb3c403dee6bac108b6b39abcd481...
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.