OpenTechnical

OT-2026-000072803

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000072803) never changes.

Identity and time

Publication numberOT-2026-000072803 · never reused
Internal UUID01a0ae92-89da-776e-9813-42db229c36d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072803
StatusPUBLIC

Content hashes

Canonical textde11b7658a7bf810e69b064d68ca09267115f80aa12f0e1c396a5bad86502c64
Markdownc3bc1b3816280f2c19ecae733185bb28c5d1caf5fdc4fb5bfe4fa95514f605ee
PDF
Publication pagea41b8bf0e94c13ea1978246d610d4895f974d6307c16c3901ad76e2c9e632c40
Manifestf4745929258394bcfacb3c68a11a455c55ec24f4e4817a40eed95da1a255704a

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
Signature5alm1cgLPuI3NaEL0KbJc6ORGsdhu3XkivNBunjZOdPntDVQ40r5wQBUdeurve+DfH3B2LLL9DmoXimNIMa6BA==
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

2026-09-17T10:22:42.988618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072803
observed a41b8bf0e94c13ea1978246d610d4895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.972531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072803/manifest.json
observed f4745929258394bcfacb3c68a11a455c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.953999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072803/publication.md
observed c3bc1b3816280f2c19ecae733185bb28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.936827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072803/publication.txt
observed de11b7658a7bf810e69b064d68ca0926...
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.