OpenTechnical

OT-2026-000100687

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000100687) never changes.

Identity and time

Publication numberOT-2026-000100687 · never reused
Internal UUID01a0aea3-66f3-7957-a2fd-dd068fdc2e20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100687
StatusPUBLIC

Content hashes

Canonical textaa167fa57003bf457e08c6778dcf777b8088e39682906fa73ac6d7a44f5bd75d
Markdown6e76d00a0d6c4927c31026961c716a66bbed21c7130c7aac7328d7c3b9ce5f4a
PDF
Publication page42f546fffa48cb0dbbf82786aa349598477c76e45736df001d9f52aec1b61fb6
Manifestefe578a95d666be182d1698345e967ed5965de430e761b4af138bce3238098b9

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
SignatureBK9QuYezRvCLVU5KWKwSnsrO/PuxjGn/OQ9Bi71g6GIeT8NMwgMITesefKBhXchT5s4HQ8fv0wmSVXMMxmt3Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:30.136682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100687
observed 42f546fffa48cb0dbbf82786aa349598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.119710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100687/manifest.json
observed efe578a95d666be182d1698345e967ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.103232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100687/publication.md
observed 6e76d00a0d6c4927c31026961c716a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.086158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100687/publication.txt
observed aa167fa57003bf457e08c6778dcf777b...
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.