OpenTechnical

OT-2026-000071585

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000071585) never changes.

Identity and time

Publication numberOT-2026-000071585 · never reused
Internal UUID01a0ae91-e0ee-7b51-aacc-3fd25f919812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071585
StatusPUBLIC

Content hashes

Canonical text3cf82125ac35938626c12c8d9c44a50d31fd219237ffea6f970ab27c0526e0c0
Markdown303cc29cfb3f23ec9850ca9d47a937a330cebb32e0e84b0bf5f56972b84e64cb
PDF
Publication paged8f5f1e40f03ae6fe1ca87b64cf5ef22bd6d2368967a511885030f5109c06ba8
Manifest5d944b3a06533c26503f143685b2c7238f14c9f0c01eaf9949cf3f8c0b7bd085

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
SignatureAIOv5mZXRSmvEfzWfbvqxVVQ1YMjvq0HTE6u5fjCDs4gv55n4uavpO75emu4BuZCSTtR2gwO+WLLzo6n4NBpAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:13.892845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071585
observed d8f5f1e40f03ae6fe1ca87b64cf5ef22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.875321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071585/manifest.json
observed 5d944b3a06533c26503f143685b2c723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.857450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071585/publication.md
observed 303cc29cfb3f23ec9850ca9d47a937a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.837840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071585/publication.txt
observed 3cf82125ac35938626c12c8d9c44a50d...
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.