OpenTechnical

OT-2026-000042166

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000042166) never changes.

Identity and time

Publication numberOT-2026-000042166 · never reused
Internal UUID01a0ae7a-5d71-7043-adfb-0df90db33bcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042166
StatusPUBLIC

Content hashes

Canonical textb99d6948fef37b9219d5367268065d1ba5c99ae9f493dc98d9570609a72c71f3
Markdownaf9590b4df4476fff15075ef67267cf4c264bb7364fde4c44f40e6c2a095e75e
PDF
Publication page4cd878c825945a9ac738e15e9bf253df8de5f6e6824f4818c6f3922143a3a9a5
Manifest2e815211d5f9ad7e374f37364d2ec1ffefeb84c05c43968dc4ee97068343eecf

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
SignatureasEx1NYL0FraI0lj2YPFibG/MwBfhnfi2K1WE83AptRUapI9ZnL6hDsZ8FDG5MmxdQQkKb8IZ3U4J5p7X6y6CQ==
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

2026-09-17T11:15:48.966996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042166
observed 4cd878c825945a9ac738e15e9bf253df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:48.943651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042166/manifest.json
observed 2e815211d5f9ad7e374f37364d2ec1ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:48.923150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042166/publication.md
observed af9590b4df4476fff15075ef67267cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:48.903778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042166/publication.txt
observed b99d6948fef37b9219d5367268065d1b...
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.