OpenTechnical

OT-2026-000099074

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000099074) never changes.

Identity and time

Publication numberOT-2026-000099074 · never reused
Internal UUID01a0aea2-8287-7184-a9e9-6c914d0dcd8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099074
StatusPUBLIC

Content hashes

Canonical text303137729c00dd7ab71a4052665a5b145b811237b89564a271dd1ad986a32eab
Markdownc0a6aa3a6f904f00db581b93c234e4b55eb7a1800a64949339ade96f7e81842c
PDF
Publication page6e03d3154a76ca091f1f9123c753a1fa69750ece4d8a2f7c82d058e52021b699
Manifestf5a555fcb8d7871ee678d518b1765eb7dc032646e199c9f244be8e32bddeba44

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
Signature4sa7G2wNst0GesNh9VeyDXryGNIVJ62vRSlhignYRBqOkPchiegzv7hV9q/aOUKE9pI6+y8qjSkgbH7jj1+pDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:18.251456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099074
observed 6e03d3154a76ca091f1f9123c753a1fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.231746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099074/manifest.json
observed f5a555fcb8d7871ee678d518b1765eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.212207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099074/publication.md
observed c0a6aa3a6f904f00db581b93c234e4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.191735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099074/publication.txt
observed 303137729c00dd7ab71a4052665a5b14...
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.