OpenTechnical

OT-2026-000032381

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000032381) never changes.

Identity and time

Publication numberOT-2026-000032381 · never reused
Internal UUID01a0ae75-106e-7d9e-ac9f-76f818f12426 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032381
StatusPUBLIC

Content hashes

Canonical text372ca098f16d99cf4e2b83b6631b73374f9115b697109b1b3e6e1e5b66e95318
Markdown6b039a7860bf2101b7b5f27f183841b6e14ed61a74e2c7a9538c627457d6dae7
PDF
Publication page7da686cef161f6f16c388e0b31189e51f148945249c0560ccbf3ea2489c58736
Manifestd3a922b9541a733075adf03a860eb1fb71d1588dc7b84f5243c35d0b84425b02

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
SignatureIodt1NPCWXH4EvZNknjVPChkOKiTN9GLQt6IEGttpUgpPhvVK8aToxm9gHbjEMVToKy1px+oKP7hDesfmsgrAw==
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

2026-09-17T11:33:47.281305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032381
observed 7da686cef161f6f16c388e0b31189e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.261793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032381/manifest.json
observed d3a922b9541a733075adf03a860eb1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.244415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032381/publication.md
observed 6b039a7860bf2101b7b5f27f183841b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:47.225186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032381/publication.txt
observed 372ca098f16d99cf4e2b83b6631b7337...
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.