OpenTechnical

OT-2026-000023655

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000023655) never changes.

Identity and time

Publication numberOT-2026-000023655 · never reused
Internal UUID01a0ae70-aed4-7a0f-b8fc-f4deab26b614 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023655
StatusPUBLIC

Content hashes

Canonical text51c4381126e5ef17c6c07cf1e5594334a8ef8cd8cf75d3b862791e7e0940de5d
Markdownf6f7aaadf188441c644458a3d97f987339eb14c5c3750cc60c9c2521c25c8c4e
PDF
Publication page8eec3fc3d03c4cb3f45dc0754bb784be4dfd4a113efec870f6461359dcedfc50
Manifest2a31db9abf00b5bbe1f413b59eb463646b75066f1ec194e2328b79b90a81248e

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
Signature/cjCvprVJQRJ/+gq1skQdmvPNydmGJfX9gWop59kYMUd7zMyrlxjvjKUBA3LLoNnOQiV/BrKgMDkhBoVSy/gBw==
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

2026-09-17T11:49:58.151174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023655
observed 8eec3fc3d03c4cb3f45dc0754bb784be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.131818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023655/manifest.json
observed 2a31db9abf00b5bbe1f413b59eb46364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.114122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023655/publication.md
observed f6f7aaadf188441c644458a3d97f9873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.094658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023655/publication.txt
observed 51c4381126e5ef17c6c07cf1e5594334...
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.