OpenTechnical

OT-2026-000032692

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000032692) never changes.

Identity and time

Publication numberOT-2026-000032692 · never reused
Internal UUID01a0ae75-1070-7540-8d6a-05471cbbb80b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032692
StatusPUBLIC

Content hashes

Canonical text790af2141c277c797cc36a1682c321949f6740a7c289ae31907cadae1d08ed93
Markdown4a5484eafbd04b5f040ea8507d1533b2fad4b18b6674f0e8c815720ef82399ff
PDF
Publication page0633f90b1bff11ad82495366653f96dd2b20db72ad9aa3bb95aba3644f35ef6d
Manifesta72f1854e02f6f6da9b9ea061caf5fe640906b46084971e89997420c43f4e9b4

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
SignatureE5EPlc1kKP75VhFZkZgRPsnNRzVCOxadKOG1liU3iQF3QdwN1cAQk78r+VVFaR63KJJBJhQicwHailaSXY8zBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:18.152893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032692
observed 0633f90b1bff11ad82495366653f96dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.135470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032692/manifest.json
observed a72f1854e02f6f6da9b9ea061caf5fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.116581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032692/publication.md
observed 4a5484eafbd04b5f040ea8507d1533b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.096509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032692/publication.txt
observed 790af2141c277c797cc36a1682c32194...
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.