OpenTechnical

OT-2026-000102583

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000102583) never changes.

Identity and time

Publication numberOT-2026-000102583 · never reused
Internal UUID01a0aea4-858b-75d0-b4db-90bfae11d3e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102583
StatusPUBLIC

Content hashes

Canonical texte587f5f7c091f705901da05c844132f2c04c9fd7a75cc43ab25f42e8308ad66b
Markdown4ce7cafa1b550da98a0acdff3ca3fde615eb089ca283762f06a67cd75888cb57
PDF
Publication page8ee088fab36ee8e6b72db45e5fa54eed0f7c744706ed600f898ce3c32fa0f643
Manifestc2be5e7c74d784f27189901f6c302da6ad34c4952a9f115f25f9a7e86b61747a

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
Signaturec7TEO7+hVBsPUKz+RrL8bDjHf0/PNzEVAW8Uyr8Gykh+7eFmjcQMqLj9AgqP11kq/EYBaxcexelxmK6xJ7Y8AQ==
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

2026-09-17T09:24:04.185780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102583
observed 8ee088fab36ee8e6b72db45e5fa54eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.168070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102583/manifest.json
observed c2be5e7c74d784f27189901f6c302da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.149257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102583/publication.md
observed 4ce7cafa1b550da98a0acdff3ca3fde6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.130080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102583/publication.txt
observed e587f5f7c091f705901da05c844132f2...
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.