OpenTechnical

OT-2026-000037283

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000037283) never changes.

Identity and time

Publication numberOT-2026-000037283 · never reused
Internal UUID01a0ae77-b8cc-7bf5-8b6a-67665d804aba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037283
StatusPUBLIC

Content hashes

Canonical text8a459a7fd303202e191fb3f95e8e79eba2bebe8f42f38ea498550636480daaa8
Markdown84a5ebaa8502f8447ce0937a0e424db0b750e63cce9907fe7080db5c7b011a6b
PDF
Publication page4a8c65c03189fd045f5c25c5c121197ad718da2bf445b747fdd90b6aefceecfe
Manifesta3b70478b2855e5aa1ca23874395c15f14af511545bc9f21d238140858142b71

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
Signatures1Ssh5jW5ztG7axzsLdR8Z4tm5Iw1aSO5eSKKsOV/7VIDKaO8ojP16TNQczmudZNQiymvoxVwFDFnGpGNk38CA==
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

2026-09-17T11:23:33.817811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037283
observed 4a8c65c03189fd045f5c25c5c121197a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:33.801339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037283/manifest.json
observed a3b70478b2855e5aa1ca23874395c15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:33.782550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037283/publication.md
observed 84a5ebaa8502f8447ce0937a0e424db0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:33.762942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037283/publication.txt
observed 8a459a7fd303202e191fb3f95e8e79eb...
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.