OpenTechnical

OT-2026-000103371

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed 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-2026-000103371) never changes.

Identity and time

Publication numberOT-2026-000103371 · never reused
Internal UUID01a0aea4-e460-775e-ac0e-49dd8ada5db0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103371
StatusPUBLIC

Content hashes

Canonical texte3419afd1cc3b00d1b4631e51d028ac6ca1e33ff07f39615776bd397dab80430
Markdown2bd8b75aaa40c4fe58c5edd44d17cf85f33454f6662a64ff73ad952be9dd9f94
PDF
Publication pagedd48759061eac21b98929de32f337049d6f5e39d78802ba9b67c4b7de44b9f51
Manifestb764506eb5c394abfe7f61a03db3fb3ba94f1473cfe90615c1104ad559633c52

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
SignatureI35df4Np8GT5xl+VuHuNNB/kVZ6X84cHEgKk2FJQupi4xFFNnyesZxL3Syn3Z+rXRuqU7UwD5Wf4K7yR+l+xCg==
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

2026-09-17T09:22:06.468238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103371
observed dd48759061eac21b98929de32f337049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.452250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103371/manifest.json
observed b764506eb5c394abfe7f61a03db3fb3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.434872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103371/publication.md
observed 2bd8b75aaa40c4fe58c5edd44d17cf85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:06.416998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103371/publication.txt
observed e3419afd1cc3b00d1b4631e51d028ac6...
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.