OpenTechnical

OT-2026-000065743

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000065743) never changes.

Identity and time

Publication numberOT-2026-000065743 · never reused
Internal UUID01a0ae8e-46fb-70bc-8e04-691720c42c17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065743
StatusPUBLIC

Content hashes

Canonical text7abb2cf45b4ee6ddb77467f63e141f7b7d377e64965dd432fd02541b9f3ab6f9
Markdowna6f9242ee8b676641602c8045c88a55a99ad108935febde23b268d71cfc19f63
PDF
Publication page052d598ae3c85a808f1000eee6c0f394f8f82a10400f751c74401f5626cf7722
Manifest90f1f4de7268fba2620625ffa10035bfdd82d62e98a1fd7e7fd530c4a6e3effd

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
Signatured+hUIcFpOzU04iGPGSbgBgsTjhtFK8YC2auWY2Yh1jWpDWhNEICPbIXVkBg6NJhYDEfeBBjBHQiTqjlsgx8rDA==
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

2026-09-17T10:34:10.401118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065743
observed 052d598ae3c85a808f1000eee6c0f394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:10.384797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065743/manifest.json
observed 90f1f4de7268fba2620625ffa10035bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:10.367595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065743/publication.md
observed a6f9242ee8b676641602c8045c88a55a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:10.350550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065743/publication.txt
observed 7abb2cf45b4ee6ddb77467f63e141f7b...
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.