OpenTechnical

OT-2026-000022416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000022416) never changes.

Identity and time

Publication numberOT-2026-000022416 · never reused
Internal UUID01a0ae6f-f4fd-74fc-ab6d-a0ef4f616181 · 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-2026-000022416
StatusPUBLIC

Content hashes

Canonical textec2fd6d69c6cb409872927c16e79d4c96352c8c3b5000b55a30ca94416c4faa7
Markdowna24cd42bb85ce1ff6c7caa3a24c0f70073df6ef1698da9287fcee9deac75f2de
PDF
Publication pagef98b30242aa1b4547fb714b10eec0e3b66bd8adcf1f6e4af288cc02533080640
Manifest4f83af89f5022f6d19025cce0def73319376e6a1c7f2fb84a0f8e28b7e2d733f

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
SignaturendvwPUFoY1rxrWyYeFQbU3slEjT81urol6tjJUHQKrrWeLjKAX4cYFYew/naf4q9oCE4z0/UvZ+FAynYwuizCA==
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

2026-09-17T11:53:48.264294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022416
observed f98b30242aa1b4547fb714b10eec0e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.247974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022416/manifest.json
observed 4f83af89f5022f6d19025cce0def7331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.230091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022416/publication.md
observed a24cd42bb85ce1ff6c7caa3a24c0f700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.212128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022416/publication.txt
observed ec2fd6d69c6cb409872927c16e79d4c9...
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.