OpenTechnical

OT-2026-000073246

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000073246) never changes.

Identity and time

Publication numberOT-2026-000073246 · never reused
Internal UUID01a0ae92-efb6-75a5-91c1-57c16463d193 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073246
StatusPUBLIC

Content hashes

Canonical text48b093bc5948ff4fb457f949e5752fdc8f4fdda0e8ead9e85e22aacf8651b6d4
Markdownfcf9ece887d19200597b8c4a53afaa330d88348ccd30a9af90fccfbd9ed3f6b3
PDF
Publication page41879bf3846b7d14c9562c6b3abd047f01b358eda462fe480ea95ef055b6cb89
Manifest2cedc46486081944a53c4952efc7da0fed7a4d8f5383e73eea80b87ed36e532a

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
SignaturehtJK2eZ4C6UNQm1P3ku1/ssYFTyXr9b0bH7KdR+zQaVWQhFd7FERBduo2mR3repF7oa7rYkSXiPaGBso0DXFDA==
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

2026-09-17T10:21:14.264831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073246
observed 41879bf3846b7d14c9562c6b3abd047f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.245578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073246/manifest.json
observed 2cedc46486081944a53c4952efc7da0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.223360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073246/publication.md
observed fcf9ece887d19200597b8c4a53afaa33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.206002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073246/publication.txt
observed 48b093bc5948ff4fb457f949e5752fdc...
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.