OpenTechnical

OT-2026-000068304

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000068304) never changes.

Identity and time

Publication numberOT-2026-000068304 · never reused
Internal UUID01a0ae90-2480-74b2-ae57-b9518d35143a · 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-2026-000068304
StatusPUBLIC

Content hashes

Canonical text056d69ea87dcce991740fd83244a0912b2e218cf254148ffb6c35c6cb01943d3
Markdownd776ac492079894cc9644a3c450d7eda650624a8f3f3555050770dfddbf7d1cb
PDF
Publication page1bb289bf529d31eb228f4d4f3229d13bb106e3027f13d7bc97ac10aa33739c45
Manifestcfaa6c01c193ab6705904cafe36bdb41f30e74afbb7d5c7c2a70e3465b9ee001

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
SignatureCTiYfJ8auFkJbQ4QGuEsz4hcvs4/BB4WVXVbHK27YNaNY61XJwR0NjkC/FNvhGVRcsbJugOF38oN/FUwEu9pBg==
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

2026-09-17T10:29:20.493381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068304
observed 1bb289bf529d31eb228f4d4f3229d13b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.474959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068304/manifest.json
observed cfaa6c01c193ab6705904cafe36bdb41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.455464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068304/publication.md
observed d776ac492079894cc9644a3c450d7eda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.437605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068304/publication.txt
observed 056d69ea87dcce991740fd83244a0912...
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.