OpenTechnical

OT-2026-000077362

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000077362) never changes.

Identity and time

Publication numberOT-2026-000077362 · never reused
Internal UUID01a0ae94-f509-7a49-82e9-90aca356c985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077362
StatusPUBLIC

Content hashes

Canonical text1f9699e7e32646df59e87aab7ed86f8ebc3a736c7b76fd39f620728b9c353914
Markdown248c5cb691cf56a2963e509ad623aa4ad0c30465ed476d741370d490dce12001
PDF
Publication page5a7b20082f2ca664bd6b04c885c94c3b493bb52ef4fd352a68215a8041180fbc
Manifestcfbfbe539397a6dddfb95b23eb5bb971cace64c5b1e166461098259ed1593a14

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
SignaturemCtPs+maEjb5Y35OFQidcGo2693rmTPLOvDxE23JHkSgd9K6nJL9IMs1Fi1T4jHPr7UEBfdMX+Qr/IH807cOCQ==
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

2026-09-17T10:11:02.751985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077362
observed 5a7b20082f2ca664bd6b04c885c94c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:02.735652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077362/manifest.json
observed cfbfbe539397a6dddfb95b23eb5bb971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:02.717237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077362/publication.md
observed 248c5cb691cf56a2963e509ad623aa4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:02.697616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077362/publication.txt
observed 1f9699e7e32646df59e87aab7ed86f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.396155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077362
observed 5a7b20082f2ca664bd6b04c885c94c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.375590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077362/manifest.json
observed cfbfbe539397a6dddfb95b23eb5bb971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.353374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077362/publication.md
observed 248c5cb691cf56a2963e509ad623aa4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.332289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077362/publication.txt
observed 1f9699e7e32646df59e87aab7ed86f8e...
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.