OpenTechnical

OT-2026-000022516

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000022516) never changes.

Identity and time

Publication numberOT-2026-000022516 · never reused
Internal UUID01a0ae6f-f4fe-7897-a605-83d70f1eb8a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022516
StatusPUBLIC

Content hashes

Canonical texteb8ef8bef7287881e0036a87983e4eeef7925fdaf3230032e6192567511f3799
Markdown114fab77a456595340a298e15b096845f807ee677572a23942a6d3a03d808df0
PDF
Publication page138d91616c03ae310bb8f91484f5ec1b154a3e33f4e44be4b96645c354b1ff76
Manifest770d0e0c0d3fe8b274bf368f0f10c2d352f28c0a939079e12510703de0dca01c

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
SignatureSK8AkAbLhZKFHstlq5v1Z4x9/e8fKH5BKlyy1DwSj9wdExPW4nFiYl292LUlefrfKSVrgyaCwXn09U8180S1Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:53:56.756503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022516
observed 138d91616c03ae310bb8f91484f5ec1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.740903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022516/manifest.json
observed 770d0e0c0d3fe8b274bf368f0f10c2d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.724316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022516/publication.md
observed 114fab77a456595340a298e15b096845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.708208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022516/publication.txt
observed eb8ef8bef7287881e0036a87983e4eee...
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.