OpenTechnical

OT-2026-000048073

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000048073) never changes.

Identity and time

Publication numberOT-2026-000048073 · never reused
Internal UUID01a0ae7f-c423-75e6-8552-59479dc07f8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048073
StatusPUBLIC

Content hashes

Canonical text3c17fbd9682cb491ae81634488c6642dc6f4e6e6260a27313de0d7582e766b05
Markdown89092fa5b580150dad55dfc6cf95509b21f8237bafa4241293da6470fefeb879
PDF
Publication paged6c4bbf9af8afa8f5714a8e80fef3436eae468b06873ab30349c0ce0b1e18439
Manifest693e3805b4eb15197bd56a7a2887ac2290f982f7ff070a601d46f662797e938e

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
SignaturenfeZatPpm8hloaVZ5ugoU7iuMVe9nj+s0Ku9Ni0lgGlMq1p0nfReVlvPee2XCqObR9LrJYeKCAXexe4+Y5vqBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:05.325255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048073
observed d6c4bbf9af8afa8f5714a8e80fef3436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.306869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048073/manifest.json
observed 693e3805b4eb15197bd56a7a2887ac22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.288597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048073/publication.md
observed 89092fa5b580150dad55dfc6cf95509b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.270410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048073/publication.txt
observed 3c17fbd9682cb491ae81634488c6642d...
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.