OpenTechnical

OT-2026-000068421

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000068421) never changes.

Identity and time

Publication numberOT-2026-000068421 · never reused
Internal UUID01a0ae90-2481-719f-8039-cd4fde09cc02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068421
StatusPUBLIC

Content hashes

Canonical text09c11cdcffd231c530da8a8635122babe323a7039266b0ad189b8a4db4aa1095
Markdownf0f85f306a6f1616787a30ccafd2f17c05980c7d560b0f8d1d64a6dfe05c48ea
PDF
Publication pagebb5a92d616f2e0705130b31302890579db5ee063347af84bcef8fde316d0c9d4
Manifest3ea223e6b6b6fa016e961462a0c24da88085ee1195470aad4eaf39bd5f0142f7

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
Signature30dwvMUs/JfFZssNMnUzF7V/ukviHdMqjg+ZkDZ8CD5vElzKn92vZ8x1hlE3liVYqbllVMPyb76RLLSvgP4ZDA==
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

2026-09-17T10:29:33.569303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068421
observed bb5a92d616f2e0705130b31302890579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.552091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068421/manifest.json
observed 3ea223e6b6b6fa016e961462a0c24da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.534341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068421/publication.md
observed f0f85f306a6f1616787a30ccafd2f17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.517092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068421/publication.txt
observed 09c11cdcffd231c530da8a8635122bab...
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.