OpenTechnical

OT-2026-000027625

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000027625) never changes.

Identity and time

Publication numberOT-2026-000027625 · never reused
Internal UUID01a0ae72-6999-7596-9713-e8f6f1ba5d9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027625
StatusPUBLIC

Content hashes

Canonical text5f5b1941b203f0f07ead1da426c62a5dbf20db996f7718fc7e7576bffe586797
Markdown686c6f40576aac0b388545ce1874fc69dcc076f920b4a1d00a5f290a58ca0896
PDF
Publication page87ec5d85ebab4264086ff26d9e0a5f3d2f8aca9c23e932dd316799a31fc7d18a
Manifest2215c77c77c20d3ca399f0b2e43e2dab3c26cf051228456480a8f1344b5e1e12

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
SignaturegI/ISpjmGVhor56219ylXtFIe9W0LLR2qmL5IaFSG/nALyNM3eqKKxF1eqgBlNAup4VA74JRg0cKT3nQZ/RZAw==
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

2026-09-17T11:43:08.787303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027625
observed 87ec5d85ebab4264086ff26d9e0a5f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.769361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027625/manifest.json
observed 2215c77c77c20d3ca399f0b2e43e2dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.751571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027625/publication.md
observed 686c6f40576aac0b388545ce1874fc69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.731331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027625/publication.txt
observed 5f5b1941b203f0f07ead1da426c62a5d...
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.