OpenTechnical

OT-2026-000069074

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000069074) never changes.

Identity and time

Publication numberOT-2026-000069074 · never reused
Internal UUID01a0ae90-6dce-7067-b954-d3902c025e91 · 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-2026-000069074
StatusPUBLIC

Content hashes

Canonical textfb96ed5ac7645bcbe6056e7b82b9f02a62e21fcf451e3bb2b3a54a7a87045e75
Markdownf5a2bd1a2da1d28602a0707d6897e3d05b8efe9adfc6c4a249c35fe9c2f61f42
PDF
Publication page7ad08ca2c378540cabde40b5d0144846bfeec7544cbc414c14c58edddcae43e6
Manifestadae26b0b0e4ecaf6a522a782a9cc92ca14412f9756a46883657056eaec39561

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
SignaturebSeIc3Q+TG3s+fF+9YaM0Hu9CyzFFhj9sNXqwx7A2T6F9uEnkV4H1l2rS881W874pvMtE1QKNg0TTjXQohTqAw==
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

2026-09-17T10:28:56.431494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069074
observed 7ad08ca2c378540cabde40b5d0144846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.415199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069074/manifest.json
observed adae26b0b0e4ecaf6a522a782a9cc92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.397301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069074/publication.md
observed f5a2bd1a2da1d28602a0707d6897e3d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.375787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069074/publication.txt
observed fb96ed5ac7645bcbe6056e7b82b9f02a...
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.