OpenTechnical

OT-2026-000015069

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line 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-2026-000015069) never changes.

Identity and time

Publication numberOT-2026-000015069 · never reused
Internal UUID01a0ae6d-d096-7fa6-bf15-d9220ad273cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015069
StatusPUBLIC

Content hashes

Canonical textc8a51dde7401cbb2f4b03dfb985906dc6ebf4db6c3b3ac5bec96096cf035436c
Markdown40dac06c05b850ffa7a03026f8c22c53af0735e3120cbf45bac69e3163356d38
PDF
Publication page1726b090e2dcecb0a08061fb95bcd36693103ed2a8e95f3f5b538ffbf9737421
Manifestd5c4ace2d01c40b6a7185619fec9c6295c046516552b40fc7f2f9081dd6e512a

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
Signature5Hb+83b2h6euAnDE2IVduAD+fUnSgIO/oNCCZqIa8eMYByPY5qV/MQuURW3MvC7ylSWLwBNYURFXuIsc9IBUAw==
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

2026-09-17T12:07:06.914114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015069
observed 1726b090e2dcecb0a08061fb95bcd366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.891478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015069/manifest.json
observed d5c4ace2d01c40b6a7185619fec9c629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.872168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015069/publication.md
observed 40dac06c05b850ffa7a03026f8c22c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.852421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015069/publication.txt
observed c8a51dde7401cbb2f4b03dfb985906dc...
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.