OpenTechnical

OT-2026-000073376

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000073376) never changes.

Identity and time

Publication numberOT-2026-000073376 · never reused
Internal UUID01a0ae92-efb8-7038-ae9c-38140fdc34d8 · 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-2026-000073376
StatusPUBLIC

Content hashes

Canonical texte45f72580f332e1dc6243dccfd9b1b93db81c0ca042000ffc883bb6f394d0573
Markdowna633b3ad31fb8def5e05ac67a11cb1dae004f140f682efca91291458a9b31aca
PDF
Publication pagec5f42072c83e236c8af526c756761472279d4c95ede8d6113dd31ed9139f025a
Manifest6cf3a438f39235cc225a7cce4df3a97054b081cf47b6616a4dfdf06073ba3c6f

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
SignatureIs+qno8rmn9qa6DRLwsoZ8Za+K+b7P/2/iSOsVH0XzIzIh1/ZQxC/okCs7eXevqO/DF+cdhRmOLI1RrtwZguDQ==
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

2026-09-17T10:21:24.856373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073376
observed c5f42072c83e236c8af526c756761472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.836405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073376/manifest.json
observed 6cf3a438f39235cc225a7cce4df3a970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.818328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073376/publication.md
observed a633b3ad31fb8def5e05ac67a11cb1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.798442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073376/publication.txt
observed e45f72580f332e1dc6243dccfd9b1b93...
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.