OpenTechnical

OT-2026-000063387

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000063387) never changes.

Identity and time

Publication numberOT-2026-000063387 · never reused
Internal UUID01a0ae8c-f944-706b-b956-558f916073cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063387
StatusPUBLIC

Content hashes

Canonical textf5c2056eed54ab009ea33e74b12ddda8f4985c25dcc04d40cde2bd2e52cbfcbd
Markdown9613c2dcb9cc0d2e5523902e76bba0ca8122a83b7de2992946dde1acffb4f116
PDF
Publication pagebd70d3f24376f8fe0a0242ea75c3bf28fe7a0a169a7edd07387a5df9a3650877
Manifest25648ffaad65c2e347dac8ff809a26cc7af4a3609adf65d571785c5319f8f9b0

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
SignatureFKve1ZBq3HxmyT3XL2beNrMG9z+aGfUaECsrGduODBB6m1/vVQzJmLLHaJUzMI0BAyXyIOXJA+MbW3/buINGCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:18.069160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063387
observed bd70d3f24376f8fe0a0242ea75c3bf28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.051113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063387/manifest.json
observed 25648ffaad65c2e347dac8ff809a26cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.032718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063387/publication.md
observed 9613c2dcb9cc0d2e5523902e76bba0ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.012787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063387/publication.txt
observed f5c2056eed54ab009ea33e74b12ddda8...
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.