OpenTechnical

OT-2026-000073223

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000073223) never changes.

Identity and time

Publication numberOT-2026-000073223 · never reused
Internal UUID01a0ae92-efb6-76f5-b975-19650655b382 · 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-2026-000073223
StatusPUBLIC

Content hashes

Canonical text87b835300b0185a8f6f1ec2841278c7b42f5d18cec9b71297a50ca6e47dc49c0
Markdown4f43eb25c2557eadec37ae9eceec736f7e3e903bcd1858fb2391196d18bca5b2
PDF
Publication page36e5883321aadc2705e765afb54514a53f9a8cc640789f6d3eaac50d52286bf3
Manifest92093bc33e28f8f9bae03b46b83053b9d3de35b9eb69a5a5ea0306b4d374a552

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
SignatureaFBvrD/qni8E+NRlY44aa9xQSjEIk/QcDkHY4JR8toSP6Et0Lwt99kbk9TNoyLL4fDBy/A1o8WEUqy2CoYu/CA==
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

2026-09-17T10:21:12.043931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073223
observed 36e5883321aadc2705e765afb54514a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.024451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073223/manifest.json
observed 92093bc33e28f8f9bae03b46b83053b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.995652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073223/publication.md
observed 4f43eb25c2557eadec37ae9eceec736f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:11.977110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073223/publication.txt
observed 87b835300b0185a8f6f1ec2841278c7b...
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.