OpenTechnical

OT-2026-000075670

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000075670) never changes.

Identity and time

Publication numberOT-2026-000075670 · never reused
Internal UUID01a0ae94-29fd-7bcf-accd-b5e5f3e708e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075670
StatusPUBLIC

Content hashes

Canonical textabcffacce61c5241adc47867300c84cafe55d4d8bd4f10576d0f1d72263d834d
Markdown4fc54711ea1f90b849e538d2ad89ca4a173b73b24bb374fc6e0cb8d75a38f6ec
PDF
Publication page7a6c7ca4d78f40d7c3b78cc697a051ae6e1436fca06390bff004c0560ccd73ba
Manifest75e5b8745b354e5d7c255a1ca144074e23b64a92ee7d898de6924e0d96d10c1b

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
Signaturemc+p/7jmxyN5wxY5LCQ0+IJXsV68B47ZKHmtZ856HWFIaoChWcDH++GNoQ60E2Qfe5kFUjtv7pHxTjOOWQKxAw==
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

2026-09-17T10:13:46.802553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075670
observed 7a6c7ca4d78f40d7c3b78cc697a051ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.783721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075670/manifest.json
observed 75e5b8745b354e5d7c255a1ca144074e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.764277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075670/publication.md
observed 4fc54711ea1f90b849e538d2ad89ca4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.744320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075670/publication.txt
observed abcffacce61c5241adc47867300c84ca...
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.