OpenTechnical

OT-2026-000086425

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, sustained 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-2026-000086425) never changes.

Identity and time

Publication numberOT-2026-000086425 · never reused
Internal UUID01a0ae9a-2c97-75d4-ad76-c2feeec91bff · 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-2026-000086425
StatusPUBLIC

Content hashes

Canonical texte47e515bae6c79ef23114be4bcd969d93dd85cf38b979f24be4e0992e20b789e
Markdownbd00ce1e77e2a678ec07c3b5dc8ae9f21c95bc1fa489b567e2761377eb678280
PDF
Publication page8e1ed3b6ecac33dba4b56870ead35f0df3f3c0d99ac0604c865926fb36d37f1f
Manifest4f7adeaa57764897254307a32b5ffc1e53d47d935a95eff6cd4f7671bd5e73d3

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
SignatureYyLp7ngzPbHhZFnYtWS1iSq6XOa1Gvgv1JYkZaCZT/GUOh9jw2SdNlOmdVKLKnA43IkWPsxgW3+05hqDDv3FDA==
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

2026-09-17T09:52:13.254902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086425
observed 8e1ed3b6ecac33dba4b56870ead35f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.238151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086425/manifest.json
observed 4f7adeaa57764897254307a32b5ffc1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.221268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086425/publication.md
observed bd00ce1e77e2a678ec07c3b5dc8ae9f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.203836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086425/publication.txt
observed e47e515bae6c79ef23114be4bcd969d9...
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.