OpenTechnical

OT-2026-000075052

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000075052) never changes.

Identity and time

Publication numberOT-2026-000075052 · never reused
Internal UUID01a0ae93-ac2e-7527-af7f-7a3d188889ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075052
StatusPUBLIC

Content hashes

Canonical textcf36a02c2e5a9f7c64a13aa50c060d2ab2970def0b8f79e472de5771de013d9c
Markdown8e8cba51afbf1731461f7c8f5cd4f76fe7996d3038b159174daa030e21acdf7c
PDF
Publication pagebb21a9c88f49fe1c2ca5426b1bd442ca453c5d17853cd08e4360cbca11a9e937
Manifestc27a4fcfe35a10d653996a3f1909ab8bcd049ba6425c7708e19457600d337255

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
SignatureoY7wqGJ5Cf9y5cB4z3HZDWdtehyonbgKTuwmdL55mybTp3kuypl0+F3zS04bslEe6I+121m4itGsd14aPJgyDQ==
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

2026-09-17T10:18:52.131003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075052
observed bb21a9c88f49fe1c2ca5426b1bd442ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.114930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075052/manifest.json
observed c27a4fcfe35a10d653996a3f1909ab8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.099248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075052/publication.md
observed 8e8cba51afbf1731461f7c8f5cd4f76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.083208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075052/publication.txt
observed cf36a02c2e5a9f7c64a13aa50c060d2a...
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.