OpenTechnical

OT-2026-000081088

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000081088) never changes.

Identity and time

Publication numberOT-2026-000081088 · never reused
Internal UUID01a0ae96-b977-71bb-a7b7-912b99148196 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081088
StatusPUBLIC

Content hashes

Canonical text73c9018c03bfc7b1bb22c7d26dceea02489b4b6d5ad5a137a61351684fe56400
Markdowndb974724ee6b755fd2c397acac902bb3386ab0e7299bf49fa1ccf2ecd0dc762f
PDF
Publication page62bc2c3455ddb2e109f7320700a1871a909a1e6d7f30732d09ec56b4471fa2ce
Manifestcc92eac26877b587b296e6f6139f26cfa0afac3c5dae2bfdc99646a65f642bd8

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
SignatureqGIIjnKe9OlRlbcYCY83r2fGE9gQiJpG/jfID70KYxT8HEWnZ2hxNNG38Ue06kKxbeGi2FpRlOWuwySlRwnRCg==
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

2026-09-17T10:02:23.527648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081088
observed 62bc2c3455ddb2e109f7320700a1871a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.510699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081088/manifest.json
observed cc92eac26877b587b296e6f6139f26cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.492424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081088/publication.md
observed db974724ee6b755fd2c397acac902bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.474431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081088/publication.txt
observed 73c9018c03bfc7b1bb22c7d26dceea02...
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.