OpenTechnical

OT-2026-000088505

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000088505) never changes.

Identity and time

Publication numberOT-2026-000088505 · never reused
Internal UUID01a0ae9b-5d28-75ef-a592-590f38c8a0a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088505
StatusPUBLIC

Content hashes

Canonical textc8505e06ead2191fcb82cdee796661bb3532bf8657ebabe41ef7dc58120593b3
Markdown69568474bcc023e24b92ffeea1005a41424211a921179895d994d2b3a6b7212a
PDF
Publication page360bd367c97128eff1c6aa5f2b1fc1025cd3bc3825cad02e1890fc19ce0bd721
Manifestb7a56764b5799336d9dd79d4e1f8263861ce5db61d958234a0d892ea8f01bc04

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
SignaturelMBwTft5YYO2q7byz20O/VNHfY3Pzk3Rh8lXiBKjYDgqxjWO1sDPX+9178+AfkfMNpcX6bJrFrR9SwJ0ovshBA==
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

2026-09-17T09:48:53.863470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088505
observed 360bd367c97128eff1c6aa5f2b1fc102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.842916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088505/manifest.json
observed b7a56764b5799336d9dd79d4e1f82638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.823830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088505/publication.md
observed 69568474bcc023e24b92ffeea1005a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.804946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088505/publication.txt
observed c8505e06ead2191fcb82cdee796661bb...
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.