OpenTechnical

OT-2026-000083062

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000083062) never changes.

Identity and time

Publication numberOT-2026-000083062 · never reused
Internal UUID01a0ae97-c962-78cc-9c67-b732a29af1c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083062
StatusPUBLIC

Content hashes

Canonical textbcd29d6203f18bb287f5b6b4153a1d4c1d78806fef3714f29d1b46b9c74dfe6b
Markdown7ded4d19b5dbaa105837dc9f5ea019ebefbeb77becba5d1fc914351723f09c20
PDF
Publication pagea17c5b3dabdd72faee78170a62baf4ec7b43f8b96c453485c1079ec0fdb494c0
Manifest99f5c44f594a463501cb282daeb1c60cfa3039a3bf7f7209604df53ae936bf3b

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
Signature4lt9NFMPErbEsfefXNvTpM2EWi4uJE9E643VkrRlov9eVy5uGcYwKvTknaIBJ88CA9G2g1exfK4EAoULyKoNDg==
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

2026-09-17T09:00:29.637766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083062
observed a17c5b3dabdd72faee78170a62baf4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:29.621495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083062/manifest.json
observed 99f5c44f594a463501cb282daeb1c60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:29.605671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083062/publication.md
observed 7ded4d19b5dbaa105837dc9f5ea019eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:29.587056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083062/publication.txt
observed bcd29d6203f18bb287f5b6b4153a1d4c...
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.