OpenTechnical

OT-2026-000045379

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000045379) never changes.

Identity and time

Publication numberOT-2026-000045379 · never reused
Internal UUID01a0ae7c-f76b-7654-b2c5-e73a847e3325 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045379
StatusPUBLIC

Content hashes

Canonical textd1acd5120a163cd851e04a3ca9183dbc5515e41649a9177294fb43d283e835c8
Markdown6f0ce70c1e60aebac048c65dc8a7f7eafaebe0c8ecace2a2adb3337f79b2bcc4
PDF
Publication page27df4ea37b52c908be506e833740e4b7b739c48655f42a07b71a58e8f86819c3
Manifestbfa1a875c79a9ad4a0fa5e44cf617b04a6cd62cb0bd77634478e53028ed95eb6

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
Signature3Be5li6ssgiwI5iRLbQxDHD7QC+4iVQHRw8ZpY7a9dtP7mz3D5IKo33hBKJFxEyjn+pLK/1PiUwmaiP66X7nDA==
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

2026-09-17T11:10:39.474706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045379
observed 27df4ea37b52c908be506e833740e4b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.453499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045379/manifest.json
observed bfa1a875c79a9ad4a0fa5e44cf617b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.433661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045379/publication.md
observed 6f0ce70c1e60aebac048c65dc8a7f7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.415461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045379/publication.txt
observed d1acd5120a163cd851e04a3ca9183dbc...
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.