OpenTechnical

OT-2026-000012735

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000012735) never changes.

Identity and time

Publication numberOT-2026-000012735 · never reused
Internal UUID01a0ae6d-5562-7652-b7b9-bbf61f2c1988 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012735
StatusPUBLIC

Content hashes

Canonical text03304f89ab8bb629ea91137efc24d0c8cee2a58afbc523b7d481a605bfe8a611
Markdown35f1d873ccc2b5da90ab20ede175a654c15c9beda49a59a8bd3fb452e0431031
PDF
Publication pageb4779d8bfd201fe7b6c2abc67208a3826e1f538cf9e37d88e8917f469d5d85f3
Manifest01e7dfbb07fe292984bd3e73e2d0c3e42aa523a73e1d4d7bed09a82b602cccd7

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
SignaturecEHrePc6Sh1GRT0s9dD4aRTaFruZWcEEs2T95cU8hghGdjPKaMdvNjWxjR+suUrgPDIsMngTR85KTq81v0OGDA==
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

2026-09-17T12:10:25.670810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012735
observed b4779d8bfd201fe7b6c2abc67208a382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.645612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012735/manifest.json
observed 01e7dfbb07fe292984bd3e73e2d0c3e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.622728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012735/publication.md
observed 35f1d873ccc2b5da90ab20ede175a654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.596824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012735/publication.txt
observed 03304f89ab8bb629ea91137efc24d0c8...
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.