OpenTechnical

OT-2026-000015405

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000015405) never changes.

Identity and time

Publication numberOT-2026-000015405 · never reused
Internal UUID01a0ae6d-ef49-7dd6-8ef8-9402c263b5f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015405
StatusPUBLIC

Content hashes

Canonical text721315a2f7fbf6643822283b88e253451b1efdc251511837fc184f3e190cae3f
Markdowncfdec65bce5d4cbdf9b6482a7bf84e685279086a60050c87620750b1968304d4
PDF
Publication pageba02877028bf3a8cd0de26b7ea03d53b94675b5c75d8bb545e803f9bf22bce9b
Manifest42f18eb84d562018134662eee536650dd4f1a380ff4c8d0cdf23b11556337a42

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
SignaturebunMpoGeI1esotkn+rj+SmdXSMAGTHcwenDkpcd29sfotmKPhqIek6Oznvmc76yIEUKTfqRcocYg04AT7AODDQ==
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

2026-09-17T12:06:07.881468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015405
observed ba02877028bf3a8cd0de26b7ea03d53b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.862744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015405/manifest.json
observed 42f18eb84d562018134662eee536650d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.841473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015405/publication.md
observed cfdec65bce5d4cbdf9b6482a7bf84e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.817572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015405/publication.txt
observed 721315a2f7fbf6643822283b88e25345...
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.