OpenTechnical

OT-2026-000041648

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000041648) never changes.

Identity and time

Publication numberOT-2026-000041648 · never reused
Internal UUID01a0ae79-e8a0-7cb8-89ac-5dcb4d640de0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041648
StatusPUBLIC

Content hashes

Canonical textb84e32f31da12499222dd1f89141ae43195e3b924d043593875a2be96c9d0c9c
Markdowndb4c028cdc43171e2ee540c89b44e8bc84151bed2fcabab549d1df80f9a0a302
PDF
Publication page8b483896ffe95890b89652af3a8428c1622f38b9bf28f23e868074185908f8d4
Manifestee4a19a5e9156c533f106ac1e99771f059868366e71352aa009197231c685d94

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
SignaturetdC0+h1BB+IOMmMrX9Y9nd24S8nW/YxgJJ+2PUWlmF1EaSqnB+1Xqt+BTv1x+nJtIpQDWFHF4IUWzK/qTPugDg==
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

2026-09-17T11:16:27.040496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041648
observed 8b483896ffe95890b89652af3a8428c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.022214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041648/manifest.json
observed ee4a19a5e9156c533f106ac1e99771f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.004367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041648/publication.md
observed db4c028cdc43171e2ee540c89b44e8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.988648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041648/publication.txt
observed b84e32f31da12499222dd1f89141ae43...
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.