OpenTechnical

OT-2026-000043599

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000043599) never changes.

Identity and time

Publication numberOT-2026-000043599 · never reused
Internal UUID01a0ae7b-92cf-779b-84ca-e795902011fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043599
StatusPUBLIC

Content hashes

Canonical textfd375421090d2c6c330031fc6397d41815c8f5f067168ccba376228b23411ddb
Markdown9721a4874efcb2bedabc4940fa0de4eee7a1a8c4dd8d60524e66cbe26d967f4f
PDF
Publication page20a6ec701147f471a2f7f6131163a0ff58e0b4569193c166fc2679db5cc2803c
Manifest31d42624cbc652bf6627cb8b57166d0ba0ae7a7886ea29e37e0227dd5f266401

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
Signaturea9dHG246JWUs3Q2175F8C2PGBTaCULm12SbJ89mTm+v/QvUtvXPBSB9vc7D13p8SYEYc+mu8N0B6zOESe2C+Cw==
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

2026-09-17T11:13:00.293892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043599
observed 20a6ec701147f471a2f7f6131163a0ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.273001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043599/manifest.json
observed 31d42624cbc652bf6627cb8b57166d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.254433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043599/publication.md
observed 9721a4874efcb2bedabc4940fa0de4ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.236292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043599/publication.txt
observed fd375421090d2c6c330031fc6397d418...
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.