OpenTechnical

OT-2026-000068537

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000068537) never changes.

Identity and time

Publication numberOT-2026-000068537 · never reused
Internal UUID01a0ae90-2482-7a63-8a3b-c91baa3cbf3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068537
StatusPUBLIC

Content hashes

Canonical text4df9e422415aa97a66f3d43c16e236924b1603d103b3f4aca8d998586612bcba
Markdownaf0a4d5fa617ea3c581a7f8b38b5c25776f43e1920d4b9bdfe25b00c82659af6
PDF
Publication paged712686a989be04259977f5f2838228fe78f27b1a673e1704a882090a192d60d
Manifestf3eec2250696daee5ee46650a2f4a3bee2f061e156342c7e06c4c57cfaa4dc26

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
Signature2TcoFTiOr/br0xyie079W1BQ18wgWr7aiZBsGQXQrJlEbH5iHYUL8D8u+EKZlvP2bMchK/+byzyHu+SWNJZwDQ==
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

2026-09-17T10:29:42.148583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068537
observed d712686a989be04259977f5f2838228f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.131170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068537/manifest.json
observed f3eec2250696daee5ee46650a2f4a3be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.112682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068537/publication.md
observed af0a4d5fa617ea3c581a7f8b38b5c257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.093244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068537/publication.txt
observed 4df9e422415aa97a66f3d43c16e23692...
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.