OpenTechnical

OT-2026-000069730

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069730) never changes.

Identity and time

Publication numberOT-2026-000069730 · never reused
Internal UUID01a0ae91-185f-7113-8fe9-2912868b6a86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069730
StatusPUBLIC

Content hashes

Canonical text3dc44100fc0637759bc72f2c8cda4c8fd9cb8322b2f4d2b4bcc5ec33b91a5e3b
Markdown65e20b4fb52a532c23d8867cba48cf642535f7ffa8859d05bf82a141d7b346be
PDF
Publication page6c47dad265bafcbd69306056cea133b230c0d02d75b4d485b26b394a011bbae5
Manifest09da07769533bb2a85226c3bcfccaf317b3f3feeacdc40ae88a0525f0ba774a5

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
SignatureG31ow+6nULzt/xRRULyzQcoK1i3p6PiHDkNVYJVPOLSN59ryWpRY0pmrm3Fs23c7TgW4wL4CuFsaf2CQg4QQAw==
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

2026-09-17T10:26:32.509695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069730
observed 6c47dad265bafcbd69306056cea133b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.491027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069730/manifest.json
observed 09da07769533bb2a85226c3bcfccaf31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.472731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069730/publication.md
observed 65e20b4fb52a532c23d8867cba48cf64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.453491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069730/publication.txt
observed 3dc44100fc0637759bc72f2c8cda4c8f...
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.