OpenTechnical

OT-2026-000073187

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000073187) never changes.

Identity and time

Publication numberOT-2026-000073187 · never reused
Internal UUID01a0ae92-efb6-7d26-a0f6-8bff69e13078 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073187
StatusPUBLIC

Content hashes

Canonical textd15808025d55716ef9498571a50afdbde499f7c3c6bed7bb53ab36d8942eb4e8
Markdown4fe82246f402ce5e7f6ea109547fcc7a5f52352397dac5bf033970b6ba1a0927
PDF
Publication paged62b1eaf6d7be979a0fe399ae10d3bc55baa8108bfdb841a77f12428ac5017f0
Manifest7fbefe358a313ade7edf9e9842fefe8e655fbd5301f4ae988c67e801adc60bef

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
SignaturedwDdyaNAhniYYDcS1nq5eEEiJUnyn1kG3t6Sm5kCOXVciqYZqG9QYU9MO5mFDYzKgoFcR9oSNd1MKWLOf4vLCg==
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

2026-09-17T10:21:08.615632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073187
observed d62b1eaf6d7be979a0fe399ae10d3bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.596236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073187/manifest.json
observed 7fbefe358a313ade7edf9e9842fefe8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.578435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073187/publication.md
observed 4fe82246f402ce5e7f6ea109547fcc7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.559353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073187/publication.txt
observed d15808025d55716ef9498571a50afdbd...
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.