OpenTechnical

OT-2026-000017489

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000017489) never changes.

Identity and time

Publication numberOT-2026-000017489 · never reused
Internal UUID01a0ae6e-76c9-7d15-920d-2e4a82a11f68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017489
StatusPUBLIC

Content hashes

Canonical text4b6159de27f900b03fc871d4f7f62bb1e2f5ffbc7542f18a3c1cace4b3f36d78
Markdown3e8b26e3caf85cff0816667c7f6157c8396dfc5c675cb0aeb01ab1fdb0bfa7e0
PDF
Publication page68f13ccbedd5c67092900c12b3946981e98688684436a88499cc1fa9793c9135
Manifestac9b10769bcf82ede18a3978f66ebec56dabff26c44eaf42c99321ed41bccd12

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
Signature8Eqq7YQIw/L9QmFK8sVUUXYG1h3z6Tc8BZ3nrD+HR/LGCcNFyILE3DKDH8gxGZl6CbC9w2/+c44uAnz6WjHNAg==
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

2026-09-17T12:02:38.370169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017489
observed 68f13ccbedd5c67092900c12b3946981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.350472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017489/manifest.json
observed ac9b10769bcf82ede18a3978f66ebec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.333967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017489/publication.md
observed 3e8b26e3caf85cff0816667c7f6157c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.316369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017489/publication.txt
observed 4b6159de27f900b03fc871d4f7f62bb1...
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.