OpenTechnical

OT-2026-000073040

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000073040) never changes.

Identity and time

Publication numberOT-2026-000073040 · never reused
Internal UUID01a0ae92-c816-786c-9f2a-2dabd1581ebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073040
StatusPUBLIC

Content hashes

Canonical text28e6338a12185bfc0c2d13ccbd5076bc5466296500b53977bf81d4c774498eb4
Markdownef6b3f942ed49cdcf373fcd59136c24254db4dc31be80976fa1180040e48fcb7
PDF
Publication page6f61e79a635194b90d2957fa5f21da63343c29ab638c66c97d923e0107742c3b
Manifest3bcede1cb8bee8603abbfcf25b544144e97453da6a59dd089d262f888bcededf

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
SignatureeOzbH4V3COvItKhBWZJLIPMr2WogbtoMS+vE/BVCGO9W0Cp7BYts2ie7PzT7wNZQiqj4dRIpkSp4FgkShhXpDg==
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

2026-09-17T10:21:58.955998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073040
observed 6f61e79a635194b90d2957fa5f21da63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.939704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073040/manifest.json
observed 3bcede1cb8bee8603abbfcf25b544144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.921601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073040/publication.md
observed ef6b3f942ed49cdcf373fcd59136c242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.903698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073040/publication.txt
observed 28e6338a12185bfc0c2d13ccbd5076bc...
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.