OpenTechnical

OT-2026-000102145

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000102145) never changes.

Identity and time

Publication numberOT-2026-000102145 · never reused
Internal UUID01a0aea4-50f2-73fb-8b51-a8316c1dc5d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102145
StatusPUBLIC

Content hashes

Canonical texte85f2d938b3a023680f33fd4d12d22aadcb92ed20d9ac5dcb135987cc5d58af6
Markdown26dd475b4aec675bed149e55414ef784297d855e685c967a5d41e8238209daec
PDF
Publication page2c2382babd44d4396e26a518897d0e4246b9f20c20e46d1b16d9059f030a601b
Manifest750e4f4024cdccdc83edff1b852d6bf79a3f0db464dbe4eea6455555ea1d5166

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
SignaturenBYjqO2773k57SnlzaDLFxkd2n5K7oeaBH4td2un3PqerU0GmkFv39QOzOy4dt7PJ47HL7kzKa1ufMqreaQxBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:18.649888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102145
observed 2c2382babd44d4396e26a518897d0e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.632014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102145/manifest.json
observed 750e4f4024cdccdc83edff1b852d6bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.615565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102145/publication.md
observed 26dd475b4aec675bed149e55414ef784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.598761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102145/publication.txt
observed e85f2d938b3a023680f33fd4d12d22aa...
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.