OpenTechnical

OT-2026-000072827

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000072827) never changes.

Identity and time

Publication numberOT-2026-000072827 · never reused
Internal UUID01a0ae92-89da-7ccb-8da8-90e6185fed43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072827
StatusPUBLIC

Content hashes

Canonical text9a8c2f0cdb0e61a9403f0e2451f75274de6ec8afb7df6fd14d4302ebf04557da
Markdown444c82141f0ba8006d8a4113acc4e0ab7614e5b4c5c6095793d92344bdb695e4
PDF
Publication pageab4be2c8a7e38cbc8340736b3829bd67582cddb84f0294a912a2713298c06f41
Manifest55103ddcf7e45d8d29403eb0cd135f58dc4aec4a981be44408c774346783947c

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
SignaturecNYTzN+SMuezkfJlPiwpUxVIdidwU0ayzy/Uiewzqgs3hIJ4z3r+zeCt3zUtX3yOYkCjugzqyHZVIlxgxv6qBg==
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

2026-09-17T10:22:44.844019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072827
observed ab4be2c8a7e38cbc8340736b3829bd67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.825184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072827/manifest.json
observed 55103ddcf7e45d8d29403eb0cd135f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.806877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072827/publication.md
observed 444c82141f0ba8006d8a4113acc4e0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.789324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072827/publication.txt
observed 9a8c2f0cdb0e61a9403f0e2451f75274...
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.