OpenTechnical

OT-2026-000008305

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000008305) never changes.

Identity and time

Publication numberOT-2026-000008305 · never reused
Internal UUID01a0ae6a-908e-71b2-98a9-953e074eeac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008305
StatusPUBLIC

Content hashes

Canonical text68d31a43aeaf10d962578c398eda91b7105b2414d3c620afc00fd73c2147fe4f
Markdown6201f06654f8d7e376ac204e40705139edcae06ce267e4b1c472bb3ce81716af
PDF
Publication page8af52ef4a8c0b0be9e66d1dd891c415952d2d243266411ade25ec5a4be42831d
Manifest03ce280013e36e076527d403c37558e84bd45e9003d0d9ba33b5cfb5dcd8cb87

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
SignaturekCmJV05meaMkDFA4n8DKidtXg+geI6fnSKQVBoJoz9BhmW2wFmK2thWOH1bCoMTy9GHzg34Qiju+fPv6gXFEDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:45.263253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008305
observed 8af52ef4a8c0b0be9e66d1dd891c4159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:45.247923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008305/manifest.json
observed 03ce280013e36e076527d403c37558e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:45.227116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008305/publication.md
observed 6201f06654f8d7e376ac204e40705139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:45.207909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008305/publication.txt
observed 68d31a43aeaf10d962578c398eda91b7...
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.