OpenTechnical

OT-2026-000071869

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line 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-2026-000071869) never changes.

Identity and time

Publication numberOT-2026-000071869 · never reused
Internal UUID01a0ae92-1e92-79ce-b78d-bf53faf82106 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071869
StatusPUBLIC

Content hashes

Canonical texte6a8a7fe21494d7c819daf112cc90944abe7bd7580f9b6d9859aae2c43cdfda1
Markdown2145fcf1ad497b106cf6603c50d3b9e05fefb18e48be071f15e0bdcb6d1f56b0
PDF
Publication pagefe92c236f24fae6adfe88f5bed3c0b165d9f1f98111cdfa5b393b66409d71d41
Manifeste759b4695b979c8c0865fcbb6bedd0aa73ec87966b3a315d2f9d80961834a718

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
SignatureNVyN3KJnKxVjxXiiOQMhSXVRQ0GvCodrWQCYmq/bw+FTqWznZLjeSfWRpMSAbYEj7zXPaeT3T6Oy8vtgcqlXAg==
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

2026-09-17T10:24:34.234923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071869
observed fe92c236f24fae6adfe88f5bed3c0b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.218518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071869/manifest.json
observed e759b4695b979c8c0865fcbb6bedd0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.199587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071869/publication.md
observed 2145fcf1ad497b106cf6603c50d3b9e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.172968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071869/publication.txt
observed e6a8a7fe21494d7c819daf112cc90944...
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.