OpenTechnical

OT-2026-000006954

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, ejector fed, pressure verified, polyurethane cups

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-2026-000006954) never changes.

Identity and time

Publication numberOT-2026-000006954 · never reused
Internal UUID01a0a96d-845e-7adb-8ae7-e70475304f4a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:21.952738Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006954
StatusPUBLIC

Content hashes

Canonical textda8da6338a34f5d16bf472af72b6fbb8da6fcb8cf47c57ced6e8ae94d064a7d8
Markdown6c693df128395c6253e8091f672ce880b46dd534e8143764f08f6821337b2699
PDF
Publication pagee1f2fb25f381b5b2e54009d29afe0a1ed4364e9e1a7b4aaab3cd546538aac73a
Manifest55d809e87e42499d2fb7aaddec2c52c539b74c722e9e54e205cc8c55d8a913b9

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
Signature9BV64AztuyTsLV/xrcr9TqcIYo8VlED4YfuZN3F1Upn7h4z3458NJu2OM22HfehaqI/U+igbn/QfPRz/KyPeBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:18.182803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006954
observed e1f2fb25f381b5b2e54009d29afe0a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.169378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006954/manifest.json
observed 55d809e87e42499d2fb7aaddec2c52c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.155087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006954/publication.md
observed 6c693df128395c6253e8091f672ce880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.141575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006954/publication.txt
observed da8da6338a34f5d16bf472af72b6fbb8...
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.