OpenTechnical

OT-2026-000071727

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000071727) never changes.

Identity and time

Publication numberOT-2026-000071727 · never reused
Internal UUID01a0ae92-1e91-7bb6-b30b-469c6642cc00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071727
StatusPUBLIC

Content hashes

Canonical textf9122c43e06a4eb732007179ce3f9831d55c89724a3b821f5bab7992e7ff91ec
Markdown2796426d1447dbb8f81b122c76346f038b66938daebf4694c2900d163706a917
PDF
Publication pageb4d0d13bdf3ec7c538d409f69986a1dab30f1cace6f9ff129f09065ceb7a1f21
Manifest55f5a66b9c7adc491d5265421b70ad05724c29613ee2245ef01cadc2290cd086

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
Signature3Elol+v7lWQulkGfJoDQToLB6BPj+A1hSaD6PvAxOkx/n3aKcaALOH6Zk2FMVZmEgn4Vz6vepPVMZEo6h3XBAw==
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

2026-09-17T10:23:52.900922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071727
observed b4d0d13bdf3ec7c538d409f69986a1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.881154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071727/manifest.json
observed 55f5a66b9c7adc491d5265421b70ad05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.863714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071727/publication.md
observed 2796426d1447dbb8f81b122c76346f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.847538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071727/publication.txt
observed f9122c43e06a4eb732007179ce3f9831...
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.