OpenTechnical

OT-2026-000098680

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line 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-2026-000098680) never changes.

Identity and time

Publication numberOT-2026-000098680 · never reused
Internal UUID01a0aea2-42ae-72fc-9adb-5caec0d2d625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098680
StatusPUBLIC

Content hashes

Canonical textce8dc353a562acee5b6970061f8a75df68cf46fe6e5cc10ef508fdbb1b5cc266
Markdown175d583edb07d8e003e99c19054338e1aae6844b5eee17798a4faf37d68280ad
PDF
Publication page683a1de51a0d1e84fbf74437d95c1bf0743cc372804fded7437bc9c69b879779
Manifestcb5a5339c906c701333d244b424ed18378d21b864c5c3c4062a55cdeb1a64949

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
SignaturelfkZDzFLZGG9//iFqxTXz6K7eiR7sn3sMzF/FoyyjA28gp5bFqbybKlAdSFbGc53RcJT0bnrNDlUo6k3LTBcBQ==
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

2026-09-17T09:30:58.905791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098680
observed 683a1de51a0d1e84fbf74437d95c1bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.887857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098680/manifest.json
observed cb5a5339c906c701333d244b424ed183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.869237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098680/publication.md
observed 175d583edb07d8e003e99c19054338e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.852381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098680/publication.txt
observed ce8dc353a562acee5b6970061f8a75df...
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.