OpenTechnical

OT-2026-000080927

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000080927) never changes.

Identity and time

Publication numberOT-2026-000080927 · never reused
Internal UUID01a0ae96-b975-7299-b5f7-12259a55b420 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080927
StatusPUBLIC

Content hashes

Canonical textf5400dbeb4511462c39e92327000e75cb37825abf381c37e60b8590ca708e734
Markdown6f8c58a535c7a057e7e0f0120b793b0785c95356582596e73a9a4f197566f5e5
PDF
Publication page6f839ca0dce57c3dfdc62490469784ded2fb7c0f4616f09bd53445cc20478847
Manifest2b2e7f74b90a35e19a866d86c10e0f1fbd8d31ee202cfc6d7a1b1e6f65d29eae

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
SignatureGn+UKtQekAdV1RngrNz0Xdq5QSASj5AulYWhhsn4VqJDFMjfoNsqVJvWOE0hY6C+pFDoga3LCaGDhuYIp5i9BA==
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

2026-09-17T10:02:07.896811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080927
observed 6f839ca0dce57c3dfdc62490469784de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.879621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080927/manifest.json
observed 2b2e7f74b90a35e19a866d86c10e0f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.861207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080927/publication.md
observed 6f8c58a535c7a057e7e0f0120b793b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.842392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080927/publication.txt
observed f5400dbeb4511462c39e92327000e75c...
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.