OpenTechnical

OT-2026-000033368

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump 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-2026-000033368) never changes.

Identity and time

Publication numberOT-2026-000033368 · never reused
Internal UUID01a0ae75-8980-7889-a2d0-7fc5fbd2bb94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033368
StatusPUBLIC

Content hashes

Canonical texted4770725ad55d95d6581b644527d3f78909e3334920835a0a99b56770518587
Markdowne663b966fa587156aa6788946dc5ab1a22f8fb271be02e04db23087e3083ecfb
PDF
Publication page44890b1c8fbcf0e1c1196d8903d73a474c0ca450e97133544f6f29cbb87d2475
Manifest6214e1ad7ac200c46e545a0a043ec43893f24aad7d96b5138490fe42e3b97809

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
SignatureJLhePyWeqJpk3C2eXT41ly9sgujqMInEFgxBeZ46iuBNEQTJ/z6AqBPydhxfJ7LQJdF5oERQfcu6zrpHRPkDDQ==
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

2026-09-17T11:32:08.160469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033368
observed 44890b1c8fbcf0e1c1196d8903d73a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.140232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033368/manifest.json
observed 6214e1ad7ac200c46e545a0a043ec438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.121194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033368/publication.md
observed e663b966fa587156aa6788946dc5ab1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.103258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033368/publication.txt
observed ed4770725ad55d95d6581b644527d3f7...
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.