OpenTechnical

OT-2026-000025305

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025305) never changes.

Identity and time

Publication numberOT-2026-000025305 · never reused
Internal UUID01a0ae71-5fa6-7726-acc8-d4afc86480c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025305
StatusPUBLIC

Content hashes

Canonical texta6c723bc067fd4921856ee889e2d825bb237f7e20320eb5268cf1737496aedff
Markdown485610a325d8a9fd1f3d35c821feeb9d56c6ec7bedb22f0dcce96ea3207beef1
PDF
Publication pagedd93e7fb7f57775bbc511937095fef3ba946f33aa73a71de3af04e303e045dba
Manifest39bdde25ac8fc5f5c47dc2f14acecc6a49d92c28533846aefa4320d99e0378f5

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
SignaturetOAZa1GfWoGo51vfdk6ED901gwwOhqfLWXzAR2VAzurc/FOO4zRqvAkRNzktQIJW/jaBJIhTy8hkswHSy6BDBA==
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

2026-09-17T11:47:19.481303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025305
observed dd93e7fb7f57775bbc511937095fef3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.462124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025305/manifest.json
observed 39bdde25ac8fc5f5c47dc2f14acecc6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.444535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025305/publication.md
observed 485610a325d8a9fd1f3d35c821feeb9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.426922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025305/publication.txt
observed a6c723bc067fd4921856ee889e2d825b...
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.