OpenTechnical

OT-2026-000073802

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000073802) never changes.

Identity and time

Publication numberOT-2026-000073802 · never reused
Internal UUID01a0ae93-2b8d-77f5-9fe0-e8de3ed67828 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073802
StatusPUBLIC

Content hashes

Canonical text008b4d25b3aaa7a73dd824bf1bb3c4b2115e07389e488683058751f6fc967800
Markdowna82394783017a1269f829568fabfbc1816d913d7c0e29247ff6ca266d1505653
PDF
Publication pagebaa10ae73cf125acce1b324c0e8888edd180fe27c741f89786a7f74fba822153
Manifesta155a798783497769bb6edfae646159c69dd356a8566bb5a291592273be6065f

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
Signature6azkwO0XiiowwmC52yvQevtKy0nUuixjuksgJKSaP9griDRQieXgCsy9o1o+kCfkKQ4ovMzZQv3AXMCE++ORCg==
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

2026-09-17T10:19:55.197488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073802
observed baa10ae73cf125acce1b324c0e8888ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.176396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073802/manifest.json
observed a155a798783497769bb6edfae646159c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.158378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073802/publication.md
observed a82394783017a1269f829568fabfbc18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.140095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073802/publication.txt
observed 008b4d25b3aaa7a73dd824bf1bb3c4b2...
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.