OpenTechnical

OT-2026-000033847

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000033847) never changes.

Identity and time

Publication numberOT-2026-000033847 · never reused
Internal UUID01a0ae75-a391-70c6-85b8-5e264aa7b1a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033847
StatusPUBLIC

Content hashes

Canonical text928b5de3ca258085e627a43db0d50435e6374fda4d86c97934e503e2d4a1175a
Markdown5ac1b8cf53b9cec5658f5401cf6d4f8d29f93df5dd0e5e61befe2466f08e48cd
PDF
Publication pageb65894f1746b348bc1b0e40a9c582c4610dd399954c1f8d204a30157e40449c5
Manifesta0504b170be7016e700fab4f4c2249e8e05db416f90b2cbea5cd537b74a59f79

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
Signaturew8gATBiiFDv9Q58gMAsByhDEFywOeDWKTK4pgcgUc8k0DkiIk7S11kYFbxzxEoAzKs4L4y5CeS4q3EOWvFS4Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:54.316236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033847
observed b65894f1746b348bc1b0e40a9c582c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.298745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033847/manifest.json
observed a0504b170be7016e700fab4f4c2249e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.282402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033847/publication.md
observed 5ac1b8cf53b9cec5658f5401cf6d4f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.265801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033847/publication.txt
observed 928b5de3ca258085e627a43db0d50435...
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.