OpenTechnical

OT-2026-000040643

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000040643) never changes.

Identity and time

Publication numberOT-2026-000040643 · never reused
Internal UUID01a0ae79-6d0e-7daa-b129-cdbac7a5fe99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040643
StatusPUBLIC

Content hashes

Canonical text490cce181ca438b2a1cdb6f3b73b287a16148a0199a90512e10398d6681d25d6
Markdown4e7f80c6f6c59614efd890fc18189faae720e70038f71105a856490b0fc5d7b6
PDF
Publication pagefc9fef2847432416d78b72dee4817b881bd98664b04c95beba8a9d3c2166787d
Manifestcec384800382fd34d8f692148b100d549f94882d3c35685a1015666ebb6438b9

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
Signature3CzEH8BjK3OueOdV0UoEl7DI+xNN4O/EjzVlWjUvCgESF4rg6zcC252FuRzZuAear6QcRpIFHbT85GEommbPDw==
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

2026-09-17T11:17:49.696815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040643
observed fc9fef2847432416d78b72dee4817b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.679358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040643/manifest.json
observed cec384800382fd34d8f692148b100d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.661805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040643/publication.md
observed 4e7f80c6f6c59614efd890fc18189faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.643429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040643/publication.txt
observed 490cce181ca438b2a1cdb6f3b73b287a...
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.