OpenTechnical

OT-2026-000018726

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold 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-2026-000018726) never changes.

Identity and time

Publication numberOT-2026-000018726 · never reused
Internal UUID01a0ae6e-d520-7150-b5b5-ff285fc9f382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018726
StatusPUBLIC

Content hashes

Canonical texte9b21e95a9180d2ec4a5aec0a8f273341ccf0b33b7e243c4110f887bfdb65e5f
Markdown7556c6e52b2591abd5e073d0de95546d7b4fb5f50ecba7130798e88e4cbc2e58
PDF
Publication page33736f65a694447afc995c47241ed9bc5c5567fc6021e734de045c654bc6a75d
Manifest786febc2daa333f9d57c00a1067e3c930b6022f49e72b0cc37bddfd89a08acad

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
Signature0fG8b8nlezTRH0yj+xWvGRCgcQw/0Fh9kWpm4T0yoIr1QVHIrfPmraN/meqQ4vMDX1cBlr5mS4yXY6849UD0AQ==
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

2026-09-17T11:59:20.009400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018726
observed 33736f65a694447afc995c47241ed9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.991970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018726/manifest.json
observed 786febc2daa333f9d57c00a1067e3c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.972748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018726/publication.md
observed 7556c6e52b2591abd5e073d0de95546d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.953306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018726/publication.txt
observed e9b21e95a9180d2ec4a5aec0a8f27334...
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.