OpenTechnical

OT-2026-000074383

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000074383) never changes.

Identity and time

Publication numberOT-2026-000074383 · never reused
Internal UUID01a0ae93-7179-7a5d-a84e-6a5955945208 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074383
StatusPUBLIC

Content hashes

Canonical text5eac663edb15bbc1bfb04cc8c1584b8dfa2b3bac958e637b78bc9bbf2cb32ee2
Markdown9e54f060348db69bf040f3804af46e3897bdc14cf3f1c765912c2f455808a107
PDF
Publication page4c0bf4f49acdddc9cbcfbe7b86f10539fa36a495b21d79900fee47fac2e212e8
Manifestf57fd34f668a7cb5929577caf2226ea375c1a4c2ae74ae5e57db21e3ce82c692

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
Signatureyi2SMDVq345q1FREqWdqKOdwsZc3YriE63sRloWyLZIGgTOSxg+UghUz8ngrCVnaYz48ixSXJs4FQ6cYC7zwBA==
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

2026-09-17T10:19:19.032878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074383
observed 4c0bf4f49acdddc9cbcfbe7b86f10539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.012654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074383/manifest.json
observed f57fd34f668a7cb5929577caf2226ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.992662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074383/publication.md
observed 9e54f060348db69bf040f3804af46e38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.971294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074383/publication.txt
observed 5eac663edb15bbc1bfb04cc8c1584b8d...
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.