OpenTechnical

OT-2026-000008283

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000008283) never changes.

Identity and time

Publication numberOT-2026-000008283 · never reused
Internal UUID01a0ae6a-908e-7c67-8414-0653d6a00047 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008283
StatusPUBLIC

Content hashes

Canonical texta33ff29c40014c5fdc6281bded5e83e831137b761c4400d686660f5ac70d1d30
Markdownb55267d500557001d1dd9b5d1e213611e968c453fffea220c768ed793e091615
PDF
Publication pageeae4c9eb54f5ed21dad7195540da43572bb9935a37b2ab5645489705736204a2
Manifest859c90443b69fe60b372d2747fa63103bf805012b0c85ecc939ac197c3ff1bd3

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
SignatureRlCg0Wf8OqwyZObayDMBaPN3OEhaHZxc2yd1csAnuKI/20O1PzehvsTc8pPthMf7+mfH8PCwZB0duaZkFbiiCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:43.536463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008283
observed eae4c9eb54f5ed21dad7195540da4357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.519079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008283/manifest.json
observed 859c90443b69fe60b372d2747fa63103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.499578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008283/publication.md
observed b55267d500557001d1dd9b5d1e213611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.482284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008283/publication.txt
observed a33ff29c40014c5fdc6281bded5e83e8...
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.