OpenTechnical

OT-2026-000041293

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000041293) never changes.

Identity and time

Publication numberOT-2026-000041293 · never reused
Internal UUID01a0ae79-b144-7425-824a-4ef8bfc488d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041293
StatusPUBLIC

Content hashes

Canonical textd57a7807fba9eeeff9fb8bc01def7f5361f71aef757847e1d16a34190d84a598
Markdown2368c4951ca105bf255c5304962a9c3a7a8f95015b10a692f7dc0021243227fb
PDF
Publication page498ebbb922de9250fa83f2822d926123668e3e87006e50c3a6e5f5145ccc0495
Manifest774aebdadfa14919207de28e8de2bf89d8eafe54f06d116be96d060a3c95fecc

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
SignaturecRWYFFmdhIBd8xDKZc0cnLR+JFR8mWgmKQKj3Yrbe1ETlA4Ev4Xy/yIzvQaVAOcmoE6fuv55O3elvb2zqEnSAg==
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

2026-09-17T11:17:16.432050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041293
observed 498ebbb922de9250fa83f2822d926123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:16.413639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041293/manifest.json
observed 774aebdadfa14919207de28e8de2bf89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:16.395974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041293/publication.md
observed 2368c4951ca105bf255c5304962a9c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:16.378491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041293/publication.txt
observed d57a7807fba9eeeff9fb8bc01def7f53...
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.