OpenTechnical

OT-2026-000013241

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000013241) never changes.

Identity and time

Publication numberOT-2026-000013241 · never reused
Internal UUID01a0ae6d-6fc9-7b26-b76c-eca4a6e04344 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013241
StatusPUBLIC

Content hashes

Canonical texte7f95b8c9acb42e943171565dff0c9b838265b1abe17215724c13402405c1f23
Markdown218c5a5be72db445dab723740651644997c6c91202812ca2b7196f75c3c282e4
PDF
Publication pageb887e07dd411812fd088492b017bcaccddd18060bafbb36ca10412ec2f1ee2a5
Manifest4be764dbafa6d776c3d4816c9862c33839babdc1084fff91eb825960472d3435

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
Signature82jLO+/fBY9j/nI3hL5iJpZcl0YcErWSGBbl66c8+qbC1oWTlHQYr0e7MJ6EAQQLRNWNhhzZMm/LOH+Gy9v1DQ==
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

2026-09-17T12:09:38.510631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013241
observed b887e07dd411812fd088492b017bcacc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.492373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013241/manifest.json
observed 4be764dbafa6d776c3d4816c9862c338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.474289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013241/publication.md
observed 218c5a5be72db445dab7237406516449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.454933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013241/publication.txt
observed e7f95b8c9acb42e943171565dff0c9b8...
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.