OpenTechnical

OT-2026-000012473

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000012473) never changes.

Identity and time

Publication numberOT-2026-000012473 · never reused
Internal UUID01a0ae6d-39f7-7d89-a3c8-bf12b49fab24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012473
StatusPUBLIC

Content hashes

Canonical textcef9004645c4d05c505f9218cfb1712d577333d4b5765151ad75c3cff4419d02
Markdowne05f3ceb9792af96bb46ad3ec2ba246efe288ac1ded0541ff15658be3c67075f
PDF
Publication page90ece3b64744c6083422338ae78c31bae44fa2adfff464199beb0b8f4caf3ba8
Manifest6325ebb451d8bac0df5a899370980ac9342cd4445f997a288bee951fc2a9a5f0

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
SignatureiMdtXuXnuFikORNJ28sHhlIomFAAr7vSRvXcNGzUdNIpdiVa0vHjoliWd/Ydja5gQvyNdq/zwpQ/Lgj4oaPsCQ==
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

2026-09-17T12:11:59.068775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012473
observed 90ece3b64744c6083422338ae78c31ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.048161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012473/manifest.json
observed 6325ebb451d8bac0df5a899370980ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.029965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012473/publication.md
observed e05f3ceb9792af96bb46ad3ec2ba246e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:59.012058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012473/publication.txt
observed cef9004645c4d05c505f9218cfb1712d...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent