OpenTechnical

OT-2026-000086522

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000086522) never changes.

Identity and time

Publication numberOT-2026-000086522 · never reused
Internal UUID01a0ae9a-2c97-75f5-ab5e-015e8a3b0b27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086522
StatusPUBLIC

Content hashes

Canonical text206e45e94678e9ee20685107e2e01cb61ac04e041a7993b7e7ebcceaf7720334
Markdown3d98684fc881572b644b9cd326c0d4a41f2d9c6338d345b5c7df52415de75990
PDF
Publication pageb15d5149af8ca779ad65521257d4a28abb998bc9bf9ff9845f8c382899ae9497
Manifest2bbb0ca1b628dd2adb4d65b8c60f816eda68e0d86391ed9e572ba574fe864586

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
SignatureIeRQJOTTouTs/afXRFrb2bhG/6e0/8kyo0vQblQPC9JTY/yModdDNlaYeW4ngZ8mYS0rcwZsfi1YCTMLekKaAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:20.634780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086522
observed b15d5149af8ca779ad65521257d4a28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.616859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086522/manifest.json
observed 2bbb0ca1b628dd2adb4d65b8c60f816e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.599087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086522/publication.md
observed 3d98684fc881572b644b9cd326c0d4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.581225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086522/publication.txt
observed 206e45e94678e9ee20685107e2e01cb6...
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.