OpenTechnical

OT-2026-000061522

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, vented after set-down, on a tool changer

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-2026-000061522) never changes.

Identity and time

Publication numberOT-2026-000061522 · never reused
Internal UUID01a0ae8b-7b44-780b-acb6-17b8eef9886e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061522
StatusPUBLIC

Content hashes

Canonical text647329747bf99103e2e11f71999c6dddd58b10d686e8dd469cb9f919ee8f69c8
Markdown4e17c4b5dc5dd371bb179db4884c5092c692f5a4809c5a1a542b723abe726151
PDF
Publication page51aa56fd4eee885de9cd61248234179ce08a7f64e0f816ce0c5a3dd43cd92600
Manifest085c94631f74691424cea2105dcc837f5d6184a7c5ce31f0fc3b857ca340c4a7

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
SignatureKGnSHif5IvZHum0MAZE4hQ9C83da5CDdZiDsp8MW/Y6Zxl61WOnU9B3F9iZXD0ghwtHJ+Jf5ZzZZrbd/z6CuAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:25.575538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061522
observed 51aa56fd4eee885de9cd61248234179c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.557529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061522/manifest.json
observed 085c94631f74691424cea2105dcc837f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.537528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061522/publication.md
observed 4e17c4b5dc5dd371bb179db4884c5092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.517800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061522/publication.txt
observed 647329747bf99103e2e11f71999c6ddd...
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.