OpenTechnical

OT-2026-000042967

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000042967) never changes.

Identity and time

Publication numberOT-2026-000042967 · never reused
Internal UUID01a0ae7b-3277-7a44-b436-c30402978676 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042967
StatusPUBLIC

Content hashes

Canonical textc4654d7b1b371ac6b4c890ede86e27337d5fb109725e9064ed5b39674d5a50c5
Markdown678c71bb72da890a267dec9619601563f2bbd498feb5827c0496ee81b7f2383c
PDF
Publication page67465d22ea2b41c6928932927f9cb940333db1334a4c47d7e413e13c3599369f
Manifestfb3257c8adb1d624a0f3fc1814923a682c0a584907661962cb5e7c497254378c

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
SignatureS6UYptZaUJCK6bhqhLs0x5md0arTaq8TcmwNxJbyhBxrhsMZVkbdYveW/mwiHxnc9bWjgv9cgBQZKVA6SWFTAA==
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

2026-09-17T11:13:15.837030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042967
observed 67465d22ea2b41c6928932927f9cb940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.817966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042967/manifest.json
observed fb3257c8adb1d624a0f3fc1814923a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.798670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042967/publication.md
observed 678c71bb72da890a267dec9619601563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.778822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042967/publication.txt
observed c4654d7b1b371ac6b4c890ede86e2733...
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.