OpenTechnical

OT-2026-000023206

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000023206) never changes.

Identity and time

Publication numberOT-2026-000023206 · never reused
Internal UUID01a0ae70-7267-78b8-acbd-f3e5647f9955 · 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-2026-000023206
StatusPUBLIC

Content hashes

Canonical textd2b423c329e69510deba20fd44da33d86b9a2cdb94e750c72459a639cd594338
Markdown023970098a65212e3e9daf84969df19a87deddd41655c0d1bf9943c881d36f56
PDF
Publication page180a262500b13a0dccb922563efe3c3fc270d2979fb38e4e53667533aa0f24c8
Manifest184cf44e4df4afa9d6293f0f77d67995deb0bd5ccd84b3944131f01c3323fbbd

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
SignatureAJKTdpJIQF2n0fI5E5Y3FbS1PEcaocu06ts/OKxi2q+jHN/bHhqXV2viCLBwSTAqw0sjP8cU/Xr/NyklQi7ZDw==
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

2026-09-17T11:51:09.753118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023206
observed 180a262500b13a0dccb922563efe3c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.735420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023206/manifest.json
observed 184cf44e4df4afa9d6293f0f77d67995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.719588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023206/publication.md
observed 023970098a65212e3e9daf84969df19a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.703124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023206/publication.txt
observed d2b423c329e69510deba20fd44da33d8...
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.