OpenTechnical

OT-2026-000069655

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000069655) never changes.

Identity and time

Publication numberOT-2026-000069655 · never reused
Internal UUID01a0ae90-b52c-7f22-9559-9455c648b988 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069655
StatusPUBLIC

Content hashes

Canonical text839a468d50a4c83f082b74941ae0d8b6a1f16435f1ddbd4c98dd01ef330ca814
Markdowne44b66ecef2769f92d0209463eaeb42a97e1d8431375656610d8e4685c9b4414
PDF
Publication page54b9c49eb86bdd81629afe43ec0a39eb7372f9253f4e0e93d4441b3416fbab11
Manifest01864c95a588884fce64f9503f845a98d03af3e174dbd5a46fa3ef4e49dfe522

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
Signature9PW7YmVNhYxJ6ny4r6ACsks7iGOPgC9BYw/KIeeRQ12dk7+5eg7ig4rFksiFFkqp/kl7x/7amhn7L0JkOMt0BQ==
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

2026-09-17T10:28:19.345839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069655
observed 54b9c49eb86bdd81629afe43ec0a39eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.328507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069655/manifest.json
observed 01864c95a588884fce64f9503f845a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.310229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069655/publication.md
observed e44b66ecef2769f92d0209463eaeb42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.293481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069655/publication.txt
observed 839a468d50a4c83f082b74941ae0d8b6...
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.