OpenTechnical

OT-2026-000081012

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000081012) never changes.

Identity and time

Publication numberOT-2026-000081012 · never reused
Internal UUID01a0ae96-b976-7142-84d2-908746834e5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081012
StatusPUBLIC

Content hashes

Canonical textbfc8c6ba29fe9036954abf65830b3649ef4953ab1b0b002edeb4c2226d4a1dcb
Markdown0d3461edfd17210a006c81df4d44c1c1be7a4784f1197558de34f728461b22c5
PDF
Publication page3daefd6bd51f564f759d670f18c480cb79e779dfcc201d307920953165f43bae
Manifest42210e17e2e1db4551409fa7f35536de8711cb44b108f6c594cad47a310b3811

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
SignatureQDEN9jdl1mVfwxMqT/uCk2sv7RI9ZsHGaNIEkXLK7177A/dEtc8uC8WuYF9UDqQN2/gMueDhV++Y9jBu2yy/Bg==
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

2026-09-17T10:02:18.056755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081012
observed 3daefd6bd51f564f759d670f18c480cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.039257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081012/manifest.json
observed 42210e17e2e1db4551409fa7f35536de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.020944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081012/publication.md
observed 0d3461edfd17210a006c81df4d44c1c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.002030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081012/publication.txt
observed bfc8c6ba29fe9036954abf65830b3649...
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.