OpenTechnical

OT-2026-000067883

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067883) never changes.

Identity and time

Publication numberOT-2026-000067883 · never reused
Internal UUID01a0ae8f-c4fc-78cc-9906-4b57ff0ba663 · 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-2026-000067883
StatusPUBLIC

Content hashes

Canonical textb2ba50461a6e63189ae512317119b204f2e0bbb5dc0d77cb7a19cd662b9b82cd
Markdown6de4861e19592d10a64e0002410a0d5704b517d3a6fe6187980682df4add3255
PDF
Publication page0059f0b7a050d9ba17d2379db37263b39e2d0b24e24d2ab7113b703c95ed81f5
Manifestaf4f3661545321ba940e746b6fa1ca0101a7f4296842e350361f48d74c85dbff

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
SignatureQveHdSLfVtpOh5KPE+IP5jB/1VTxRkQnCErVpx47j5kd+rgrO6zbgEjG1V2sN3NXJv8ypctHpqPYgIqZ/ILKDw==
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

2026-09-17T10:30:16.503937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067883
observed 0059f0b7a050d9ba17d2379db37263b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.488007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067883/manifest.json
observed af4f3661545321ba940e746b6fa1ca01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.470766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067883/publication.md
observed 6de4861e19592d10a64e0002410a0d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.447017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067883/publication.txt
observed b2ba50461a6e63189ae512317119b204...
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.