OpenTechnical

OT-2026-000057423

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000057423) never changes.

Identity and time

Publication numberOT-2026-000057423 · never reused
Internal UUID01a0ae87-d5c7-7c59-b6d7-6a4a6a94378c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057423
StatusPUBLIC

Content hashes

Canonical textf0d283ee54aeecf2b1b8312ab596480b5e5384e2a69204295cd7d208aca1886d
Markdown17a51f6fb3714a59e582e592137f94a5e07e7caa7b8d5284ddbea6af7e757531
PDF
Publication pagecbc301fc31ed23e0939a927cff3f89653d92ec410be617281e09c855c94a4bf5
Manifest6673d3fc09061937b27b437ae7a1acbed0c110229b9de768798768386690b7ff

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
SignatureIlyzdCPtPY1CvPi4rNJxiGijLrFOBmbu7XJZtv+27sxPhKGI/nf+UIifzeqK+8BWGn2R7mU3oezc5YQ4k40ABw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:42.895221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057423
observed cbc301fc31ed23e0939a927cff3f8965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.878350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057423/manifest.json
observed 6673d3fc09061937b27b437ae7a1acbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.860025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057423/publication.md
observed 17a51f6fb3714a59e582e592137f94a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.842523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057423/publication.txt
observed f0d283ee54aeecf2b1b8312ab596480b...
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.