OpenTechnical

OT-2026-000069078

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000069078) never changes.

Identity and time

Publication numberOT-2026-000069078 · never reused
Internal UUID01a0ae90-6dce-7bbf-971b-39ed2f4d856c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069078
StatusPUBLIC

Content hashes

Canonical text34701d6a8ffc7fa3c32d908e43de82d34e6d9f29e184d2eebcf4d98df451c07f
Markdown5b9d91e88cc971020f243c0429de4060cfa5c5a62621c0a41072c385f3caf5bd
PDF
Publication page24f30f29ff4923aaf8f3f96028d5cf34b5c2534187378fa90e794ed8cf3ee570
Manifest8ea60d2f2279221c8b33f6261aa4ae5905db8d0d3cfbfd4cee45e2fc3f22cf03

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
SignaturenJ+KS1c5mj6AtEDb3QmizVZE8kudabYEyylyCXDLEZHnrgzXQ6xA8ruBtu9/O2kRhJpnx3MNIH5hN3uVw9t4AQ==
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

2026-09-17T10:28:56.710114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069078
observed 24f30f29ff4923aaf8f3f96028d5cf34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.693396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069078/manifest.json
observed 8ea60d2f2279221c8b33f6261aa4ae59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.676882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069078/publication.md
observed 5b9d91e88cc971020f243c0429de4060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.659565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069078/publication.txt
observed 34701d6a8ffc7fa3c32d908e43de82d3...
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.