OpenTechnical

OT-2026-000022976

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000022976) never changes.

Identity and time

Publication numberOT-2026-000022976 · never reused
Internal UUID01a0ae70-46ec-7d34-a051-35f182150db3 · 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-2026-000022976
StatusPUBLIC

Content hashes

Canonical textadd24cf5c09e3fe954e4a5cde41c5a94bdce1aecf644494ca480a438198f38d7
Markdown7d8b8f17f9afb33e1a7b87295c2e97e8bcfe0584ab6ad94b10051f78e5758653
PDF
Publication paged2fb34e36dc44c312f55954f3e79f29189f7560a2a2c50162619c6e2e2679964
Manifestc44f10cc9fdfa92ef386668140bfa246cb5ade663efce89fd0027bc2ccabc6e4

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
Signature8TiDaEGe74nSIsTdXB3mozDHvMwmx3+xAt/h5dtP6f7S9hzN69b4GqCRWtYaUXqFDv5TNU9LRpewlFfFgLJLBA==
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

2026-09-17T11:52:33.938094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022976
observed d2fb34e36dc44c312f55954f3e79f291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.920280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022976/manifest.json
observed c44f10cc9fdfa92ef386668140bfa246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.901316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022976/publication.md
observed 7d8b8f17f9afb33e1a7b87295c2e97e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.883690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022976/publication.txt
observed add24cf5c09e3fe954e4a5cde41c5a94...
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.