OpenTechnical

OT-2026-000073721

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000073721) never changes.

Identity and time

Publication numberOT-2026-000073721 · never reused
Internal UUID01a0ae93-2b8d-71fa-a604-ff7eb480fda6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073721
StatusPUBLIC

Content hashes

Canonical textf3fbfe6ba6cec3e335dff88aad07d9de328787c504f847f0bea7b62ee2cfff64
Markdown90fd163345c1737cf1ef4717ca38d2542a5891738bc69df5ba6ff705e338010b
PDF
Publication pagebe3e06cb9adbc0c0096121d2eab713057bf1b2dc0d766139afc31b803c7f50fb
Manifest3316ea871d521457b6edcd2791aa7662a762f6ce506af5e67f582a181acb43b3

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
SignaturesuGzEAyOwkxsS6JyHNbkQA2HNu8Ss7UYgZDIgBLSCiOHh7WtzJUJq7IZibMwIRx6M/H40Fe5mQQrGtb787ixAg==
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

2026-09-17T10:19:47.720997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073721
observed be3e06cb9adbc0c0096121d2eab71305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.701982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073721/manifest.json
observed 3316ea871d521457b6edcd2791aa7662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.681511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073721/publication.md
observed 90fd163345c1737cf1ef4717ca38d254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.661280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073721/publication.txt
observed f3fbfe6ba6cec3e335dff88aad07d9de...
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.