OpenTechnical

OT-2026-000068277

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000068277) never changes.

Identity and time

Publication numberOT-2026-000068277 · never reused
Internal UUID01a0ae90-247f-7e89-bb3c-d09d0d66629b · 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-2026-000068277
StatusPUBLIC

Content hashes

Canonical text4d3b46c23ead5e77a067c0104c858797bd6f0b552712b7d0d535cbc461fef8b0
Markdown7502da5ab278bcb411fe2c829568a6de20f2097b46493ac6edaa148c4a819dd4
PDF
Publication page28554576c938a76638e62e51bf5d071c120927b5bc89c9f88002e70d167aa675
Manifest54eab4011c0fb6183b5bb2e355f84c33552546573a89044e8e7ee0f61c47316c

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
SignaturegOdDEINayd5mJoNXJoh10qhpusjad2qU2e+Gd9XXn6zIL0UAeTGdMV8PF29C6Db+yw28s0yY1igJqtvf0lNRDg==
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

2026-09-17T10:29:18.375286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068277
observed 28554576c938a76638e62e51bf5d071c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.359279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068277/manifest.json
observed 54eab4011c0fb6183b5bb2e355f84c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.341024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068277/publication.md
observed 7502da5ab278bcb411fe2c829568a6de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.324403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068277/publication.txt
observed 4d3b46c23ead5e77a067c0104c858797...
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.