OpenTechnical

OT-2026-000031385

Publication integrity record

Six cup vacuum gripper, six 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-2026-000031385) never changes.

Identity and time

Publication numberOT-2026-000031385 · never reused
Internal UUID01a0ae74-87ad-7449-91f3-5963e6e0237d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031385
StatusPUBLIC

Content hashes

Canonical text0bdc7a3b1a21c56c0c044ecef3ecf2e9f1b18a3099e90a86fa0fe616510a13a8
Markdown6bdc0f14d27a59a97dffc1380ad34cd6c3af16aae5dd4870913892fabc7a91ea
PDF
Publication page70460ff76711e241b71e861470cbcb0d958387c4805a788a2491da3115c9ad51
Manifest8a210d8fb25047d802c3027b1e1c139ed412d20cde4dfe67005912968db54931

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
SignatureDwG4x/zwY71X2Vl8FqoFmixsp4vxeQFhR4yNtsS6jZ8sBxLKE98JvQ/8vVM7AkRWo9a0tehNQTefHEKb4p3BCw==
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

2026-09-17T11:36:05.612243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031385
observed 70460ff76711e241b71e861470cbcb0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.593577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031385/manifest.json
observed 8a210d8fb25047d802c3027b1e1c139e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.576420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031385/publication.md
observed 6bdc0f14d27a59a97dffc1380ad34cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.558030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031385/publication.txt
observed 0bdc7a3b1a21c56c0c044ecef3ecf2e9...
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.