OpenTechnical

OT-2026-000023578

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained 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-2026-000023578) never changes.

Identity and time

Publication numberOT-2026-000023578 · never reused
Internal UUID01a0ae70-7269-7601-9639-fbc591c22129 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023578
StatusPUBLIC

Content hashes

Canonical text1460346b0df5ffeca398b752a6c8b0433637ef8c08b9cd0a61e6fc485cd5695c
Markdowna3ea89468a4e6c6cc6f43a0b175683bc0fdc61f42cd146322611c3fb1af82feb
PDF
Publication page868a1006a72d3dde67c682af0e471cd3438030e60cb23b5e766ecf20f9bf2d51
Manifest1384cb9ee996aadfe2d360fb6e5a95b577ad637f08123669246b6d2d082a386e

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
SignatureeDkaGdoo367bwE8a9YrYtyyuKcgzfGdu94UUSmJApOq94oIqG0+uhrZ02JspHRdhQoY4dwThWJYFwfAhKdDsDg==
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

2026-09-17T11:51:56.030270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023578
observed 868a1006a72d3dde67c682af0e471cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.011686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023578/manifest.json
observed 1384cb9ee996aadfe2d360fb6e5a95b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.994673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023578/publication.md
observed a3ea89468a4e6c6cc6f43a0b175683bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.975972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023578/publication.txt
observed 1460346b0df5ffeca398b752a6c8b043...
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.