OpenTechnical

OT-2026-000017599

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000017599) never changes.

Identity and time

Publication numberOT-2026-000017599 · never reused
Internal UUID01a0ae6e-76ca-7d7f-ad4a-292d85d2a455 · 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-2026-000017599
StatusPUBLIC

Content hashes

Canonical textef23765b598d4fc642764d34ef7ebc5c68679609b4138450391c73d8629928c3
Markdownd0bec6422147defb2a77eae92768424b04a4d7f275b7eb809bd1897820c3819c
PDF
Publication page921a4f8e059b1f1427c9862120138e220c0da2a5ba76e4f212b9a440e8099b51
Manifestdc3dada9f475d048b7b5c19bbfd9f9c50a9de60c6031261a2bbd82f3fb0ad133

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
Signaturey/4EvJqCTodvWi1p/QdFxqFFOGMfo+NnQH6QNrEyPhadMtCw2qTWM9Vvy+sfMvDZf5RJ3T41RT4vlOJcf9x9BQ==
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

2026-09-17T12:02:46.755303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017599
observed 921a4f8e059b1f1427c9862120138e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.736412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017599/manifest.json
observed dc3dada9f475d048b7b5c19bbfd9f9c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.717621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017599/publication.md
observed d0bec6422147defb2a77eae92768424b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.697554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017599/publication.txt
observed ef23765b598d4fc642764d34ef7ebc5c...
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.