OpenTechnical

OT-2026-000033431

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000033431) never changes.

Identity and time

Publication numberOT-2026-000033431 · never reused
Internal UUID01a0ae75-a38d-7385-84fa-1ae88e50cdcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033431
StatusPUBLIC

Content hashes

Canonical texte35875a58210f2005285e2c2f22866337b917fb3c709e62969d478d311a973ba
Markdown51a5e0b043f48d76016d2ac67ed7d8c6bd88e85a2d907d14f853d7022273e9e8
PDF
Publication page1ac60309265b6b388487ef4c1fb86f5e30b6f8c0767cb91e7dd11c335b9d2e75
Manifestb7c8b2a2e646df1bde2c995806c4406a3dceabb39b7c2debb4922a4f818930ad

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
SignatureDHM3cLmJo/5vBVZU9vXm6BGaI0up/chV55HNewz1zr5fcqtPJXhgUfFyk0reBgt1/CML86SECr6ZX01T0TEaDg==
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

2026-09-17T11:31:09.552889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033431
observed 1ac60309265b6b388487ef4c1fb86f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:09.532416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033431/manifest.json
observed b7c8b2a2e646df1bde2c995806c4406a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:09.513817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033431/publication.md
observed 51a5e0b043f48d76016d2ac67ed7d8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:09.492720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033431/publication.txt
observed e35875a58210f2005285e2c2f2286633...
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.