OpenTechnical

OT-2026-000088300

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000088300) never changes.

Identity and time

Publication numberOT-2026-000088300 · never reused
Internal UUID01a0ae9b-5d26-7ff3-9abc-d3ee0edcb622 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088300
StatusPUBLIC

Content hashes

Canonical text30f5f6e55ca62556566ede6425a40e05f9ad10059d95f09895a5b31a7325cb59
Markdown4436ade5cd4bcb7c5aa8d63809fc13805515168541a74034f23a231b77f123ae
PDF
Publication page768bce7d1289a2f2f4d4e82fd00543686c3a9c9c95fd17b8ae5eaa1e9cef8d4c
Manifest4ef082144bcff5bfde27750d74ca3edb6a75471554d7396e8269834730e2c681

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
SignatureZGKlzpM8w1EHMmugmrEq7j1Sftq8Dw2TyZJPqr2nz5hDF81AWl5XKDcP5fjX/zErGc3/psL44XUn4QCkrejRDg==
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

2026-09-17T09:48:38.070887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088300
observed 768bce7d1289a2f2f4d4e82fd0054368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.052240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088300/manifest.json
observed 4ef082144bcff5bfde27750d74ca3edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.032496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088300/publication.md
observed 4436ade5cd4bcb7c5aa8d63809fc1380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.012993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088300/publication.txt
observed 30f5f6e55ca62556566ede6425a40e05...
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.