OpenTechnical

OT-2026-000072562

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000072562) never changes.

Identity and time

Publication numberOT-2026-000072562 · never reused
Internal UUID01a0ae92-89d8-759c-bc78-829a5e253878 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072562
StatusPUBLIC

Content hashes

Canonical text181f90bc18c8514fa1572e035804fe597c1280525fe4217c5eda6b94c0ecdb41
Markdown90009c0a57891a2715e5618c2cef9522f6dab3bbbff2479d567ac6322c21336d
PDF
Publication page7c4bfc1573926d62e4ef10c51050a8135906912489fc60974553d4cafbff9704
Manifestdff688ddecdad13610a20711f8dd58eb74842730abdc6c9bd4cc5323e8d1fe4d

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
Signature5tzXW1/Vb6Bm2lXaD1M1yoz3f6A+s3HL3Q+VMg42DaJ9+FX7Rnp4QKTcAMg2L3IIPRDWarhAyAhGOkyfnrnTDw==
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

2026-09-17T10:22:23.874316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072562
observed 7c4bfc1573926d62e4ef10c51050a813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.856458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072562/manifest.json
observed dff688ddecdad13610a20711f8dd58eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.838128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072562/publication.md
observed 90009c0a57891a2715e5618c2cef9522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.820677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072562/publication.txt
observed 181f90bc18c8514fa1572e035804fe59...
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.