OpenTechnical

OT-2026-000062702

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000062702) never changes.

Identity and time

Publication numberOT-2026-000062702 · never reused
Internal UUID01a0ae8c-6388-741d-bb4c-87ecfea36362 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062702
StatusPUBLIC

Content hashes

Canonical text5e32af75b5aec2181a11d824ffd6676e33e521808d8c61289e6b27874d5b0f75
Markdown48033be81b975d816adb32870fa652db13676779f3ba552d1728de5a6668b026
PDF
Publication pageb09e1abac91ba5f1c87ae5d2c3f99dacdc856701f141de70f9366310ab7d7e85
Manifest2d4e04f387012a7ab076c736076878d691112991a75af03bda16412be60ba9c5

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
Signature4dJ4DKRhzvmZLHrh1UJkalXRpmNDpZIE8agfLMz6QT8sE6I9wYEBSU+vrTVNZUaZwF6nNl8caMZMpL+ScfNAAg==
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

2026-09-17T10:39:15.969757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062702
observed b09e1abac91ba5f1c87ae5d2c3f99dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:15.950433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062702/manifest.json
observed 2d4e04f387012a7ab076c736076878d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:15.932003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062702/publication.md
observed 48033be81b975d816adb32870fa652db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:15.915034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062702/publication.txt
observed 5e32af75b5aec2181a11d824ffd6676e...
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.