OpenTechnical

OT-2026-000073328

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000073328) never changes.

Identity and time

Publication numberOT-2026-000073328 · never reused
Internal UUID01a0ae92-efb7-7a65-96e1-3cec3d99f988 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073328
StatusPUBLIC

Content hashes

Canonical textb4ccd83ad4a4b3aafd9f2672e1f25b715c7e1d1762c9dd719fbc586a791bee34
Markdown3f78f0ef06dc185c3c2a4cab6454807576e30830d6e4937a4d89949107ed43e6
PDF
Publication pageb13d66ca82c27f44a0fdcb26bac15e2d7f8fe00a37952c0a2278f050275e5346
Manifest8aa2fe51075298b8f6c0281e578baaa0494d9b2f343c7795b094e2b5e3a466dd

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
SignaturewHPV9wkbP4vHN6iK9GOP85yUoGiCy+WmTZsXB5OyQqZL0fZrKJOp9NRisU6vgnrwIUEfQiYjs8P3Kbz9lnt/AA==
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

2026-09-17T10:21:20.736703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073328
observed b13d66ca82c27f44a0fdcb26bac15e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.717374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073328/manifest.json
observed 8aa2fe51075298b8f6c0281e578baaa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.675483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073328/publication.md
observed 3f78f0ef06dc185c3c2a4cab64548075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.632776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073328/publication.txt
observed b4ccd83ad4a4b3aafd9f2672e1f25b71...
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.