OpenTechnical

OT-2026-000025076

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000025076) never changes.

Identity and time

Publication numberOT-2026-000025076 · never reused
Internal UUID01a0ae71-2729-77ec-9eaf-68f287497618 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025076
StatusPUBLIC

Content hashes

Canonical text47dbbee88f09b86040095f94459701e6611ebb85d4a3967182c85478197d3ef5
Markdowndbd6503449fca0e58eb8c1b6b8aa81210a51952f03789ef9cd89bb2bb217484d
PDF
Publication page89b592735262c34f2fdcae460b5d59cee3dec1debbc012974e8f9cc43c3bf5f9
Manifestdaccc3dd5dc8f450df175155d0d34a241e38a44c736ef21191a50762711bb687

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
SignatureN9fUYOw7idE6u+F5FdX1QTItGcwFmwah8AWTI4jxB99mUaIoWISlydQpQ0nzURHLLepmoetXcC/MoFLAV21DAw==
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

2026-09-17T11:48:29.461538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025076
observed 89b592735262c34f2fdcae460b5d59ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.443417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025076/manifest.json
observed daccc3dd5dc8f450df175155d0d34a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.425599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025076/publication.md
observed dbd6503449fca0e58eb8c1b6b8aa8121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.408828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025076/publication.txt
observed 47dbbee88f09b86040095f94459701e6...
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.