OpenTechnical

OT-2026-000071783

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000071783) never changes.

Identity and time

Publication numberOT-2026-000071783 · never reused
Internal UUID01a0ae92-1e91-76c6-ac0d-9f61217f0d09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071783
StatusPUBLIC

Content hashes

Canonical text8954fc6d2c2c261f096011b969759c3a1e792eacadb57cab23a40d15c0a74cd9
Markdownc9db641b5f43e7ac4d07c5509af8b4375e6498730a4ab99c15412030ae352383
PDF
Publication pageacb8d21bae4eb7b6b8b0e3407fd8f6fb0079f54f44056005b44edf877af0f25d
Manifestb6a9d97d96dfc5ccb2dc2f1fc927e8b09596ab05c2ee1b718a025488ae69e5c6

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
Signature0lgqj7uuiB4WemOtxmZ/LNTrw1EN4neaf1+usfllgzkgnJmt2iHVXxeSF7C/R1X0LquyYkzAuFqlAKrqg1jQCA==
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

2026-09-17T10:23:56.891224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071783
observed acb8d21bae4eb7b6b8b0e3407fd8f6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.872256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071783/manifest.json
observed b6a9d97d96dfc5ccb2dc2f1fc927e8b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.855337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071783/publication.md
observed c9db641b5f43e7ac4d07c5509af8b437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.838569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071783/publication.txt
observed 8954fc6d2c2c261f096011b969759c3a...
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.