OpenTechnical

OT-2026-000050685

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000050685) never changes.

Identity and time

Publication numberOT-2026-000050685 · never reused
Internal UUID01a0ae82-c7b0-7044-af52-2a08dc785c00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050685
StatusPUBLIC

Content hashes

Canonical text78da674d3b5e7ff08f982a11c0afeaeac7046adae22639fbc72573da5956c205
Markdownd47d6f9feaad1fb4c37c456822abf436278c4767d4700c739f771f1dd01ba532
PDF
Publication page11aeb8bc163dc3cf838d7c805520164df03af17771e3478670f31c8432950d84
Manifest1159cf478f4a06e30febf082c9319b97ae1187c358950fc3afc8f49668086e72

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
SignatureJssjV+iFqG4hj6p/lddOeUZMr7mlQjp/Hs/P/jP5bZR4e1VIno+YiFiXXDwRzUzpWhQjQl8lhOUtm7HWrCk+CQ==
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

2026-09-17T10:59:23.664298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050685
observed 11aeb8bc163dc3cf838d7c805520164d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.646300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050685/manifest.json
observed 1159cf478f4a06e30febf082c9319b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.626843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050685/publication.md
observed d47d6f9feaad1fb4c37c456822abf436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.606886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050685/publication.txt
observed 78da674d3b5e7ff08f982a11c0afeaea...
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.