OpenTechnical

OT-2026-000022808

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000022808) never changes.

Identity and time

Publication numberOT-2026-000022808 · never reused
Internal UUID01a0ae70-46ea-7e40-a755-e038596282c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022808
StatusPUBLIC

Content hashes

Canonical text93c4b9a75f6c8a723f798a1f756ae2e86f66cda23f919cdf620d22f6b7fd367d
Markdownd8b1f714ed952ffc5717a208a1422fc9c419024953f935d93b38a10d933b32b2
PDF
Publication pagebcff20a8759f6629a363b1955a8666065b84ece5d9deef7e1670b8a6d2febd57
Manifestdb85b1436be98adcad84c59bae3c53bf35ed95665bd5b13fc6a34d36c0419d22

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
Signature39SBx3P5qxl99iqJQ15Y2rWly5o317RkcVIw7Kxo9TNpEA6iSyRAb6ZkxzW6kxNqne0cl21cNY4fbcvmzXVMDw==
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

2026-09-17T11:52:20.059312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022808
observed bcff20a8759f6629a363b1955a866606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.040439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022808/manifest.json
observed db85b1436be98adcad84c59bae3c53bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.021081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022808/publication.md
observed d8b1f714ed952ffc5717a208a1422fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.004183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022808/publication.txt
observed 93c4b9a75f6c8a723f798a1f756ae2e8...
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.