OpenTechnical

OT-2026-000038779

Publication integrity record

Two cup vacuum gripper, two zone face, four 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-2026-000038779) never changes.

Identity and time

Publication numberOT-2026-000038779 · never reused
Internal UUID01a0ae78-769e-74a7-9cee-838208265dd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038779
StatusPUBLIC

Content hashes

Canonical text3b501379a559d616305cfebcbee9109e704bc0c49e63abe28a35366619470967
Markdownbc892a19a8c6d1e3d27773c12b19b27ab7de2a00713a259c0ab91d199dccc959
PDF
Publication page672cd5d2f9de66ac1422d2f17768e590cb87336c752e7d0e035a706715a0ad81
Manifest1732c06ad19e6ff3ee4692323d71b6e54abfeebb804a42b7cd625c9233cb4388

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
Signaturexph3IbL0JkxsAiiamqCKgtICXxRbw1gdpCCZisTe5n8pyCOA7J3CAXFG+dcvePvE3v+/LOGEtZx3q3dvMKxgBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:21:19.546640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038779
observed 672cd5d2f9de66ac1422d2f17768e590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:19.527057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038779/manifest.json
observed 1732c06ad19e6ff3ee4692323d71b6e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:19.509439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038779/publication.md
observed bc892a19a8c6d1e3d27773c12b19b27a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:19.492429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038779/publication.txt
observed 3b501379a559d616305cfebcbee9109e...
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.