OpenTechnical

OT-2026-000067956

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000067956) never changes.

Identity and time

Publication numberOT-2026-000067956 · never reused
Internal UUID01a0ae8f-c4fd-7eeb-9f0b-f4de6a439aa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067956
StatusPUBLIC

Content hashes

Canonical textb81865915bc3efd1a091b45876f4de5bfa2347be01cf0523b452bf8d0cd8ce13
Markdown5d6338838a2f9237575e328d5a226964fd5e23564f2500cbb9dc325a62b9d741
PDF
Publication page11df927c0550beabae0892d7c559c6b2c294976c5ae2cfe3ae2e4502e3cf8483
Manifestaef035bdeeee0efe2035f2c5d95744eb0a3ffc8a51e10f152efb56720e8c8e2f

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
SignaturexJoEgQew5zrs2BP5p8fHEC5BJ1gLIebk64vNvSI45epnM/rDXOTg69GKZ7pIuC1AUwFtP+Lh+nNTnyalG0tRCw==
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

2026-09-17T10:30:22.708941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067956
observed 11df927c0550beabae0892d7c559c6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.692569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067956/manifest.json
observed aef035bdeeee0efe2035f2c5d95744eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.675126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067956/publication.md
observed 5d6338838a2f9237575e328d5a226964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.656717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067956/publication.txt
observed b81865915bc3efd1a091b45876f4de5b...
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.