OpenTechnical

OT-2026-000045239

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045239) never changes.

Identity and time

Publication numberOT-2026-000045239 · never reused
Internal UUID01a0ae7c-f76a-7984-85d0-1ee958335891 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045239
StatusPUBLIC

Content hashes

Canonical text4baabaa80d4e4d8152f4ffa20087d283b8f0a2dfd3d72a8b740de89bd54d384a
Markdown582bae731c86cbd679feb7df1ba52fbda9cda96788e4571fcbefd03360d42566
PDF
Publication page312e1f0f918d927b185cf15d4e5d51e8ac986459757ca59ea28b6de15ab66f6d
Manifestc4dbea683e9672e70c20c942291bed1cf379555211a34e426aad18e436396b1d

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
SignatureoKqNxXTvB8WtZ/ronDisc5uFY01qKH3C+KD6yDL7W+YDX30K/N86t6hnGBPgxX9YePInT8Avr8axrxbIHm7BDw==
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

2026-09-17T11:10:26.262774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045239
observed 312e1f0f918d927b185cf15d4e5d51e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.241905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045239/manifest.json
observed c4dbea683e9672e70c20c942291bed1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.223638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045239/publication.md
observed 582bae731c86cbd679feb7df1ba52fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.203738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045239/publication.txt
observed 4baabaa80d4e4d8152f4ffa20087d283...
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.