OpenTechnical

OT-2026-000083749

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, sustained 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-2026-000083749) never changes.

Identity and time

Publication numberOT-2026-000083749 · never reused
Internal UUID01a0ae98-0417-7e64-be90-bf92b6655d66 · 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-2026-000083749
StatusPUBLIC

Content hashes

Canonical textd65e24fca4dd341a2cad8517edadb16da1b2f23fbc076764aa884f8d8a403f5a
Markdown449637029bc16d159b2fa22d75ed2e5e75505dd41df67bd520242f42297c166f
PDF
Publication pageacce87ca3334d4029bdaf02aa35b2c808c7ed33f7a10617f9cb9e5c8d145efbf
Manifest3f2ddcf8bb31ae58de504bc8a0ebec302323940493d901479b677159cb50f93f

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
SignatureDuSOjOjzEHckhCm8ORunLgT9F//OilsRelqKpIbMD6HrjjK7wobJyW5lBcFe7+BCslH66atCkOZbCUX/GG/vCw==
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

2026-09-17T09:57:23.213409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083749
observed acce87ca3334d4029bdaf02aa35b2c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.195826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083749/manifest.json
observed 3f2ddcf8bb31ae58de504bc8a0ebec30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.179246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083749/publication.md
observed 449637029bc16d159b2fa22d75ed2e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:23.162303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083749/publication.txt
observed d65e24fca4dd341a2cad8517edadb16d...
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.