OpenTechnical

OT-2026-000067308

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000067308) never changes.

Identity and time

Publication numberOT-2026-000067308 · never reused
Internal UUID01a0ae8f-6bd6-7cbf-bb0c-ce75840bd135 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067308
StatusPUBLIC

Content hashes

Canonical text5705167bcbd1323f233219a11f7f354ebed96a3b5a7afb1e530f66d1ab772ea7
Markdown501f894a2f0da79e2e309078b70d080866b658f4ff4ab2a74fb7a9eef571f9a2
PDF
Publication page6e6203e2e048421a5005d506d67e43d125626c623925d25d67930f1008c4f1f8
Manifest3fb4c7fcc79abd389e93e107bb96e5005d84cf88e52aba5d2e216d63d6c69864

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
SignaturendwJSr617C5TAd/nZVvcReEjxF9xT5FCTJhbUFyWGUx8Tar/OCIpeNPLCI1VXsb1+J8u0PFSq2NfvV6Vt1IlCw==
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

2026-09-17T10:31:28.775067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067308
observed 6e6203e2e048421a5005d506d67e43d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.757990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067308/manifest.json
observed 3fb4c7fcc79abd389e93e107bb96e500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.738721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067308/publication.md
observed 501f894a2f0da79e2e309078b70d0808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:28.720242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067308/publication.txt
observed 5705167bcbd1323f233219a11f7f354e...
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.