OpenTechnical

OT-2026-000083519

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000083519) never changes.

Identity and time

Publication numberOT-2026-000083519 · never reused
Internal UUID01a0ae98-0415-78ca-adff-92a90ee13262 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083519
StatusPUBLIC

Content hashes

Canonical texte5917b8f67a1e43c083cb7dafe2e635f82e49d8a17dc9d3932b6008639ff8d80
Markdown14a82de2065bd297be7ba7b9d20b97a4673143ae8d1f12c6f3b95ee386b601e6
PDF
Publication pagefe9d79ce3d3e1793ff02bb07f4d53f27be4fe5872675c6c00c1b038e7fb250c3
Manifestb99230d5db8b9246b44c68382081feb5af117c8b4fc64fa8fc79921ce35cb31a

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
Signaturee5Jyxz2HjKcUdVaH9HL119eIpBlys4CUorL0LIqqJ8drQPnX0BEwWxlx28KatwaTzYO9YIvcB6qDWZI2uumKDw==
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

2026-09-17T09:56:29.887800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083519
observed fe9d79ce3d3e1793ff02bb07f4d53f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.869496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083519/manifest.json
observed b99230d5db8b9246b44c68382081feb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.854048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083519/publication.md
observed 14a82de2065bd297be7ba7b9d20b97a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.836514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083519/publication.txt
observed e5917b8f67a1e43c083cb7dafe2e635f...
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.