OpenTechnical

OT-2026-000068449

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000068449) never changes.

Identity and time

Publication numberOT-2026-000068449 · never reused
Internal UUID01a0ae90-2481-7061-bd8a-6e99819d2a58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068449
StatusPUBLIC

Content hashes

Canonical textaef1fe98ecdd0d58250982153ab2b6400bf816338a4514ab55af72ea9b900a52
Markdown0b627cefdc98d6acff9f6b848b52fc9b95d48812d46804195cdfb94f07100442
PDF
Publication page1495ebfdf33ad98e4f6e50b49a0c2494291fb3514a20dc9d548a9bc52c2632ad
Manifestf2203401d5d11bf0dfdbcace4ffd23929e8b26dd8bef3c8247f6a304b5602869

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
Signaturejl3kO2sIBBZLV2cObhFcnCCqH/cNobeAKzUK/DQRn8tiVnz6LnZwrDAc2HiGP/p6IiGe0g4guytnmnSw3K2jAQ==
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

2026-09-17T10:29:34.537189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068449
observed 1495ebfdf33ad98e4f6e50b49a0c2494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.519576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068449/manifest.json
observed f2203401d5d11bf0dfdbcace4ffd2392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.501959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068449/publication.md
observed 0b627cefdc98d6acff9f6b848b52fc9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.481723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068449/publication.txt
observed aef1fe98ecdd0d58250982153ab2b640...
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.