OpenTechnical

OT-2026-000068475

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000068475) never changes.

Identity and time

Publication numberOT-2026-000068475 · never reused
Internal UUID01a0ae90-2481-74a9-90c7-6acb7a536fcb · 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-2026-000068475
StatusPUBLIC

Content hashes

Canonical textefea02a83367c1f0f91d3785515c9412152eb0b1a56d91662f3eb2fb2f3097d7
Markdownc50f2b3b3f95e076e5e671fb8111ec803bf9786291cca8225b514d2c89638206
PDF
Publication page046cc5ebb6739418a0d57b40d4671c3e3ba5d1ad5814a585ef84525d28b6ba6f
Manifest73c5c7ebf759551f6bc9278523b0f205e73ae08b6c2651d4c73561b4dbea824c

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
Signature8yW/JMcM67uXBqoBhKCrsiH9QokLUuVRfetJy5Cns+6aMVL+YyGj0qysm+mZ/7lcsqV7F4NQsft6DuCUKsjYDA==
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

2026-09-17T10:29:37.566685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068475
observed 046cc5ebb6739418a0d57b40d4671c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.550254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068475/manifest.json
observed 73c5c7ebf759551f6bc9278523b0f205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.533571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068475/publication.md
observed c50f2b3b3f95e076e5e671fb8111ec80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.516561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068475/publication.txt
observed efea02a83367c1f0f91d3785515c9412...
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.