OpenTechnical

OT-2026-000012984

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000012984) never changes.

Identity and time

Publication numberOT-2026-000012984 · never reused
Internal UUID01a0ae6d-5564-7c2a-85ff-c6cc1f194a31 · 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-2026-000012984
StatusPUBLIC

Content hashes

Canonical text4b9a47ba281fe2cbdc14c22e08bce262b817215385f34da53735da6167804352
Markdownd6ed60f341e13dbebb47b18f13176ceec8839a5c3406d2f26e57dac3b0f4fa9c
PDF
Publication page09992aeaa7c1a82ca51316521fadee3d9503a40b0d535e14137b16495b1ba019
Manifest972229c21e2fe46f2196ca5b3947a1b08d3d4f2cfefdf885e75aab62e0b7f7de

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
SignaturePXVhFAfdWbI73umreKtKG90OTrrHP4RPGRwuI6XieFDpEGLeP03APVEEjDHugmFIn4/tlI3uMt+pqNHOsmh8Cw==
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

2026-09-17T12:10:47.965643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012984
observed 09992aeaa7c1a82ca51316521fadee3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.947040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012984/manifest.json
observed 972229c21e2fe46f2196ca5b3947a1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.927928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012984/publication.md
observed d6ed60f341e13dbebb47b18f13176cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.908643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012984/publication.txt
observed 4b9a47ba281fe2cbdc14c22e08bce262...
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.