OpenTechnical

OT-2026-000083512

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000083512) never changes.

Identity and time

Publication numberOT-2026-000083512 · never reused
Internal UUID01a0ae98-0415-7be0-8aab-ea553ca42164 · 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-2026-000083512
StatusPUBLIC

Content hashes

Canonical texte25312a1ab4363cd19cb8775a5af8ac0b3041703cda88dd2a73ea98a0540ec54
Markdown8dd1abe78a90290210e1f3d0b07931a052bbc56d1473a60b33af78069f1be19c
PDF
Publication page8ee38082fd2292e0829125105134ca0e69d851ba9326ba14a8386d5da94a1cff
Manifestb8681d41f7c66a35a97f39fa6eceac2d5cae4d269fdb5aa1ff25d6228124c890

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
SignaturecGKfhsbV/JsPdWJvCxiQgrpdLpj7N4hOqoewuovRiObK/fnqQjygi0XZNMibC5YAnZr05fnPC3KpKuMrYGiCDQ==
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

2026-09-17T09:56:29.395117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083512
observed 8ee38082fd2292e0829125105134ca0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.377868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083512/manifest.json
observed b8681d41f7c66a35a97f39fa6eceac2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.361094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083512/publication.md
observed 8dd1abe78a90290210e1f3d0b07931a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.342771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083512/publication.txt
observed e25312a1ab4363cd19cb8775a5af8ac0...
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.