OpenTechnical

OT-2026-000083674

Publication integrity record

Two bellows cup 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-2026-000083674) never changes.

Identity and time

Publication numberOT-2026-000083674 · never reused
Internal UUID01a0ae98-0416-78a1-9be6-203de9987dec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083674
StatusPUBLIC

Content hashes

Canonical texta3c11c6c8865c5ce2259eac8044db9e40cdb697fc144ddef39f2db49c6b4d32d
Markdownb18d1cd63b9c495bdb6a44a061426859425f7e8b846a2bed5355bef4b0168b29
PDF
Publication page4a99628ed126de3a824cd3ea792d6cede66e3297c2c10d4b3217c68ddd9ec56e
Manifest7f40f952abf7d69aa28dac1c895863828d9f8838e0338e629917259c3359425f

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
SignatureROks5zHk6i4VEp3PuouIiUx4l7ZcCQiAISQK8eA/Vwr1tUGNGZ60jbgMiXn7fUUCX3XAhVQrGeD1AtcSp+x7AA==
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

2026-09-17T09:57:17.850684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083674
observed 4a99628ed126de3a824cd3ea792d6ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.833542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083674/manifest.json
observed 7f40f952abf7d69aa28dac1c89586382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.815609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083674/publication.md
observed b18d1cd63b9c495bdb6a44a061426859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.798364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083674/publication.txt
observed a3c11c6c8865c5ce2259eac8044db9e4...
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.