OpenTechnical

OT-2026-000034351

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line 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-2026-000034351) never changes.

Identity and time

Publication numberOT-2026-000034351 · never reused
Internal UUID01a0ae75-df0e-7b55-91a2-bc4a8eb843dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034351
StatusPUBLIC

Content hashes

Canonical textddab2acf1cfb8b3afb78277fdce18960d2b6fce34b0d42edf4bdcea6e8387660
Markdown3bed59124b0688aec136450e36de765e59a23148f6205afabd65786547650b03
PDF
Publication page9cf705cccaa8aa4b871fe45d457ef079543bc7bacf46be865a30f62bd92f3e7e
Manifest61b086630a554eb69d71ef3ad4bbfcbe9a9da79d241a296a1c7fa0b68bc28df5

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
Signature7Wvx2FZSqSFG3+uSBYsvEtgbHTY5/fvHeh9aVsL03CkuFKpN1bXXqKNY5KzhYvPTw4+YM8xBJoFDhVET0ymtAg==
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

2026-09-17T11:31:03.168190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034351
observed 9cf705cccaa8aa4b871fe45d457ef079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.145331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034351/manifest.json
observed 61b086630a554eb69d71ef3ad4bbfcbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.126756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034351/publication.md
observed 3bed59124b0688aec136450e36de765e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.102683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034351/publication.txt
observed ddab2acf1cfb8b3afb78277fdce18960...
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.