OpenTechnical

OT-2026-000010892

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000010892) never changes.

Identity and time

Publication numberOT-2026-000010892 · never reused
Internal UUID01a0ae6c-540d-7d32-b71a-18fa6c907e7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010892
StatusPUBLIC

Content hashes

Canonical text46817e6894c6a9e2a6913bd872eb0619cd3b4e5d7942a63303ab059498ee327e
Markdownb4366db13208231b6a2f072580c903379cbb7405bc5971ddc990a37a3081334e
PDF
Publication pagee0ea4c894d5ff240a13ce7e398abcfbf24091c15b8a3a47abaad5ebcdb51fca7
Manifest2f19f033a461f9336ab5e557ad5f99f04ce38c79cfb597c215c0101e2a261e98

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
SignaturewYz4hQ8HwC1EtsD8YR9XpCwRo9gqmOkomh/KdUmsjjSNVVT2M5petMI8G9SjMp0EQF5ceUYelR1An+53srUYCw==
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

2026-09-17T12:13:39.652004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010892
observed e0ea4c894d5ff240a13ce7e398abcfbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.631518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010892/manifest.json
observed 2f19f033a461f9336ab5e557ad5f99f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.613282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010892/publication.md
observed b4366db13208231b6a2f072580c90337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.591790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010892/publication.txt
observed 46817e6894c6a9e2a6913bd872eb0619...
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.