OpenTechnical

OT-2026-000008386

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000008386) never changes.

Identity and time

Publication numberOT-2026-000008386 · never reused
Internal UUID01a0ae6a-e469-7122-9b53-aa4a9f14125f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008386
StatusPUBLIC

Content hashes

Canonical text0820853938d2d19bc213b45d057366f6abf6a11eebac7380ca2ea87f7371db06
Markdownf597ca45275356e9a6179c61933a55321725a5a1f217f5d72c8f03eee9b21941
PDF
Publication pageba25582b860094842e5ec76ebb9cfeae1b917ee2131eff926ef1d6f33aba9129
Manifest6a2b308b166da952c95593042d8c633b6ddb3883f7bb2886531ca96725f51636

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
SignatureG0Pl2xTEmDxm0pTU6LEVlkmxOQBr/fTuuyPTY8jKEpsghTl8mBSdx1n0mBTPQK2AUlYCgBio30nWhkdRUwF0Aw==
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

2026-09-17T12:18:13.179215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008386
observed ba25582b860094842e5ec76ebb9cfeae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.160480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008386/manifest.json
observed 6a2b308b166da952c95593042d8c633b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.142043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008386/publication.md
observed f597ca45275356e9a6179c61933a5532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:13.121945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008386/publication.txt
observed 0820853938d2d19bc213b45d057366f6...
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.