OpenTechnical

OT-2026-000022745

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000022745) never changes.

Identity and time

Publication numberOT-2026-000022745 · never reused
Internal UUID01a0ae70-46ea-7981-a613-9885277adcd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022745
StatusPUBLIC

Content hashes

Canonical text65ecbd64f9f499756bcf476e6fd7f036aca641a82a74564ea2d1333c592531d6
Markdownb5729f25965dc5e9b78c2dfe49836cf7c6c9643bdfd002f84d1d67e9b733be89
PDF
Publication page6375082be20f4aa98079ca5dfdd8935f0119025ba0ee1ef2b5a9e7700928b424
Manifeste7b89782a29151d2b8c08d40f335e006512b2596b50d39305e5ec28884e2a72f

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
SignatureUi6JXTm84V0i4R7gyk/WbnPL4Pik527bra89POtNC6hanqNeLqRUbxp4c6ahR/b44jqjtN7r301Pco6p1qYUCA==
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

2026-09-17T11:52:15.206261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022745
observed 6375082be20f4aa98079ca5dfdd8935f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.187084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022745/manifest.json
observed e7b89782a29151d2b8c08d40f335e006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.169111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022745/publication.md
observed b5729f25965dc5e9b78c2dfe49836cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.151483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022745/publication.txt
observed 65ecbd64f9f499756bcf476e6fd7f036...
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.