OpenTechnical

OT-2026-000072010

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented before set-down, on a tool changer

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-2026-000072010) never changes.

Identity and time

Publication numberOT-2026-000072010 · never reused
Internal UUID01a0ae92-47c0-7a84-8cac-cb35653fee0e · 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-2026-000072010
StatusPUBLIC

Content hashes

Canonical textba5048627118e11e620163ec6e3287f419f4abfb8828a1a2cb104c7c79ff0f4d
Markdown0fcf7414c0c5de9d47301f7ace4c7a0e5807fd07af2cefcc71270873b2e399c0
PDF
Publication page81328a30c653f09b3eb46b73898835aba4b78dcb72338460ca7fecacd7600ee7
Manifestef949d273fa199dd4751ae8ab9f692562a500036c02c8759577abdaf88b56145

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
Signatureyu2xJKg3uNgCe3NhG2eOLpuRJLdiIiDQKqFIN1FuJRVKBv1cS1O6N6xV1vVRPUWPR2FpI/a+2ah8MCies86tDg==
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

2026-09-17T10:23:04.348862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072010
observed 81328a30c653f09b3eb46b73898835ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.331806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072010/manifest.json
observed ef949d273fa199dd4751ae8ab9f69256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.315417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072010/publication.md
observed 0fcf7414c0c5de9d47301f7ace4c7a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.297724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072010/publication.txt
observed ba5048627118e11e620163ec6e3287f4...
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.