OpenTechnical

OT-2026-000073292

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000073292) never changes.

Identity and time

Publication numberOT-2026-000073292 · never reused
Internal UUID01a0ae92-efb7-799c-9266-dcc2ae1f3758 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073292
StatusPUBLIC

Content hashes

Canonical textf6b3d576852fb10b75976a3379a0bed64e1fd08775cdecf147b857656436d05a
Markdowncd23e32c8151f88e15712f97963a7cd500ac05a3a7c0e192e813d069d4a8c6ce
PDF
Publication page20aba77c7d5bf115dd00efce6972ae2b5e48953cf6854c0bc09f7eccee0d2795
Manifest435a020720724e1b0653da5719170c9cdf8b389f89dacaec08fd3b1a990fd0db

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
SignatureO5eiqJlORX6GgHUv0QL0fhXjE5c73HliDjEMDXdWv1F3BAgxu2ImDdJruJRywnm1r9LpnG21P/QtKZmIQ2cAAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:18.036641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073292
observed 20aba77c7d5bf115dd00efce6972ae2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.016597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073292/manifest.json
observed 435a020720724e1b0653da5719170c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.997591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073292/publication.md
observed cd23e32c8151f88e15712f97963a7cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.978230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073292/publication.txt
observed f6b3d576852fb10b75976a3379a0bed6...
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.