OpenTechnical

OT-2026-000032425

Publication integrity record

Four cup vacuum gripper, four 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-2026-000032425) never changes.

Identity and time

Publication numberOT-2026-000032425 · never reused
Internal UUID01a0ae75-106e-7f18-8b8a-cad64863c338 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032425
StatusPUBLIC

Content hashes

Canonical texta9e8dd19c3e07b9a64f4305edaff1e86050394da0cd1a9f6dfcc66ae6be34f6b
Markdown9bb7c255138c7504f8c9a7833a4b2d893909c5969b0e47270238317e99c948d1
PDF
Publication page65bea9449915ae7737f73acaff1cdf4764238908cffacc7ad4e2e2ed37f6bf53
Manifest0126379362b7730d580cc8689462d0a5e4d51d118c0d0ac2e7962ecf6e36e476

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
SignatureUh2bsvyrILwhL1zkGhYiQA1fnBWB5ocepFVol/Dhsc38AosC/dqZG/6ruwhKyjJaGsyt/X5lSKTMHWdWo2P6CA==
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

2026-09-17T11:33:50.713391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032425
observed 65bea9449915ae7737f73acaff1cdf47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.693502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032425/manifest.json
observed 0126379362b7730d580cc8689462d0a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.675783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032425/publication.md
observed 9bb7c255138c7504f8c9a7833a4b2d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.657881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032425/publication.txt
observed a9e8dd19c3e07b9a64f4305edaff1e86...
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.