OpenTechnical

OT-2026-000072030

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000072030) never changes.

Identity and time

Publication numberOT-2026-000072030 · never reused
Internal UUID01a0ae92-47c1-7a8a-b27b-16e18662be70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072030
StatusPUBLIC

Content hashes

Canonical texte2ad8f34dc31b96166f37ec71b479cf3265b9ab4dadce9fb5419f8d4fec9824a
Markdown3f9568cd35953979c1128df03694e620876b104720cad910c2b7a0b77188fbdf
PDF
Publication page2262ec7329aaed4668686b1ccd3bd702ec14a13ce9d2027829d0a988d6f4d03b
Manifestef2e1da095b9c8026311d442463e9a447ef0e4c16663373c6ac35ea967ec452b

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
SignaturePReq66nVmg//GP9pW009+Z3CaMyc20gzea7M37bFaPLFTwc59Q1tk7VHWEmP8HTA8f2xH7j8P4jSioA6P5emCQ==
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

2026-09-17T10:23:05.558429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072030
observed 2262ec7329aaed4668686b1ccd3bd702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.542632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072030/manifest.json
observed ef2e1da095b9c8026311d442463e9a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.524507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072030/publication.md
observed 3f9568cd35953979c1128df03694e620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.506208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072030/publication.txt
observed e2ad8f34dc31b96166f37ec71b479cf3...
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.