OpenTechnical

OT-2026-000067960

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000067960) never changes.

Identity and time

Publication numberOT-2026-000067960 · never reused
Internal UUID01a0ae8f-c4fd-7c22-8788-fa2c975633a4 · 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-2026-000067960
StatusPUBLIC

Content hashes

Canonical textadfa0cb6c6b6a31eb71ca35e1fc940e2e43a4c16b3159bf53a027bf28752c8d0
Markdown7db1b1f7e983998d2e9c1aa7830b9972ee7a4b2cf7924704bf417f0fd859aed2
PDF
Publication page0daa25d7ff062405f13a2f8de2fa3b6a71ec055ba3ae29de04a22e663774005c
Manifest3139a7fafbb2e01f4e672443bd0f33e0c1408c16cb6d32f3d6d13eb1c902ab53

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
SignaturevZXKscI5N6ZRXqW7KDsbJY3k91dbqT5CDyHyWDj1XU6T3MYkRt42bzn+vSzd5w0si8H2hjrlngAxqeVVULzZBg==
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

2026-09-17T10:30:29.944632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067960
observed 0daa25d7ff062405f13a2f8de2fa3b6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:29.924412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067960/manifest.json
observed 3139a7fafbb2e01f4e672443bd0f33e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:29.903873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067960/publication.md
observed 7db1b1f7e983998d2e9c1aa7830b9972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:29.884236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067960/publication.txt
observed adfa0cb6c6b6a31eb71ca35e1fc940e2...
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.