OpenTechnical

OT-2026-000074838

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump 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-2026-000074838) never changes.

Identity and time

Publication numberOT-2026-000074838 · never reused
Internal UUID01a0ae93-ac2c-79de-ab4d-841f33536e59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074838
StatusPUBLIC

Content hashes

Canonical texta1ba9fe445435f2a95ed8d631c380b12826dcee5f1cf0dd01f1a39c04d5a41ee
Markdown4aafedff9d1499abb7b1fa237e9d281cd2cf12d690057b2c9ea03e9d9023820f
PDF
Publication page07711fe1f481fd6666670a37c3bbeffd41e82fe0f44389e6ee7cf1493abc472e
Manifest18d4584f19192fd16f9901ff8a4c571deefd760c42938506eb4e1a07cec059df

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
SignatureyeFDeQXQ7Jh72PCUEVNOCCnVy+TVKS9GWvDHcR7s6pOKnJz9DG7I/L1RpjT41yxu+3tXCbw1VDdsaY5MIpg5AA==
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

2026-09-17T10:18:32.938520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074838
observed 07711fe1f481fd6666670a37c3bbeffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.922563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074838/manifest.json
observed 18d4584f19192fd16f9901ff8a4c571d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.906707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074838/publication.md
observed 4aafedff9d1499abb7b1fa237e9d281c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.890811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074838/publication.txt
observed a1ba9fe445435f2a95ed8d631c380b12...
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.