OpenTechnical

OT-2026-000069027

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000069027) never changes.

Identity and time

Publication numberOT-2026-000069027 · never reused
Internal UUID01a0ae90-6dcd-7ade-b443-6c18033269d1 · 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-2026-000069027
StatusPUBLIC

Content hashes

Canonical textae81f1a709433250471f148e09d5fe3c40d470d0ecc78ba9ed13d3b2118b0758
Markdown5aaa5e44747f6fd2fdab87bbd2f974256a26afeb0afe853c4120b501b1c4741d
PDF
Publication pagedb8fa99f4e3ae820d1e91d6d4b40e59473fe2509301626cfd73e49a4dbc08b02
Manifest56635da90ccb82c1fdae38e5dc998fa36215cdd86a76337de17d3603c324cd50

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
Signature+YPExZYNe8p42c7tsglCX3wkv2tQCLkCN2URuyYUrHMbHqDKxOiD2kINBlpiM0UrRAsa1on4LuuxhMBFAS9hCg==
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

2026-09-17T10:28:52.821280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069027
observed db8fa99f4e3ae820d1e91d6d4b40e594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.803151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069027/manifest.json
observed 56635da90ccb82c1fdae38e5dc998fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.786192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069027/publication.md
observed 5aaa5e44747f6fd2fdab87bbd2f97425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.769298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069027/publication.txt
observed ae81f1a709433250471f148e09d5fe3c...
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.