OpenTechnical

OT-2026-000077055

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000077055) never changes.

Identity and time

Publication numberOT-2026-000077055 · never reused
Internal UUID01a0ae94-f507-7d25-b39c-d9346c57528e · 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-2026-000077055
StatusPUBLIC

Content hashes

Canonical text38225450dd757df582425d56b0a6f6937ac05c9be4bbb9f2da8a35414540ebc2
Markdown26ab1219b06db89a6be2ae2f6bba3b4f2a4abb67ad72d690f1399f50df6da713
PDF
Publication pagebc59c307c63175fb4baaf8b34e0c86e15c7965bb856ade21202903af1f6d75db
Manifest7c03dff14fac4413762db6784989f018e851ce5b084fae76c2d766b634603769

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
SignatureOYyl+fkXlDyuKRRIVzPTmPw70zZl2ewyYMIryqLJ0lsxlYKjzGYKQRM2+xmY+3StKtA9dhl8nWNybZlJ12ArAg==
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

2026-09-17T10:11:20.028062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077055
observed bc59c307c63175fb4baaf8b34e0c86e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:20.000598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077055/manifest.json
observed 7c03dff14fac4413762db6784989f018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:19.977504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077055/publication.md
observed 26ab1219b06db89a6be2ae2f6bba3b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.791253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077055/publication.txt
observed 38225450dd757df582425d56b0a6f693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.271803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077055
observed bc59c307c63175fb4baaf8b34e0c86e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.253045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077055/manifest.json
observed 7c03dff14fac4413762db6784989f018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.233796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077055/publication.md
observed 26ab1219b06db89a6be2ae2f6bba3b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.213273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077055/publication.txt
observed 38225450dd757df582425d56b0a6f693...
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.