OpenTechnical

OT-2026-000069545

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000069545) never changes.

Identity and time

Publication numberOT-2026-000069545 · never reused
Internal UUID01a0ae90-b52b-7a7a-8c54-db00b8ba76c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069545
StatusPUBLIC

Content hashes

Canonical text4b3213ac1d36eeca161e23121a6cf668aadefcf61a669649bafea1c1983b68c0
Markdown896502ede5901a51675a9bdbe71dca54ff8eaf37f0c57f113bb8b81734f63292
PDF
Publication page1eb84f08069516eb3f44173d52fa7b9d5322ceabb336b55e2ca1c77ecde5404a
Manifest38919e288177d52cdd7bd85bd465a83413b02e125a2619b93c3221ce2514b9be

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
SignatureDZX5ulJC2l+cbTWXAP9lK+U8rb7Y+1aTrtRBMUXztFfaPz31QTRmbEwYX3tYL9IwuTCK1P2LMQLO1ba0q/zECA==
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

2026-09-17T10:30:39.373676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069545
observed 1eb84f08069516eb3f44173d52fa7b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.354167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069545/manifest.json
observed 38919e288177d52cdd7bd85bd465a834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.334969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069545/publication.md
observed 896502ede5901a51675a9bdbe71dca54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.314842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069545/publication.txt
observed 4b3213ac1d36eeca161e23121a6cf668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.580268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069545
observed 1eb84f08069516eb3f44173d52fa7b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.564352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069545/manifest.json
observed 38919e288177d52cdd7bd85bd465a834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.546289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069545/publication.md
observed 896502ede5901a51675a9bdbe71dca54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.529522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069545/publication.txt
observed 4b3213ac1d36eeca161e23121a6cf668...
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.