OpenTechnical

OT-2026-000027953

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000027953) never changes.

Identity and time

Publication numberOT-2026-000027953 · never reused
Internal UUID01a0ae72-a51f-7a6e-b483-bba105bbec73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027953
StatusPUBLIC

Content hashes

Canonical texte43fb11a8d1ab5eb016d57c860a31f805eaaee6624b7a2294201737e8a60eb90
Markdown7782051530d0f387193623532a254248912427b2353c536a50443f02015a69b4
PDF
Publication pagee370aef15d7f41ecab0c2f56f142610329e6c9e28f5e412bf4bbdc5f512d4f55
Manifest447e8cf6f02e43ca99a78ababa26fc7736d0bb9b4ef375354d69a4f8d214f05b

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
SignaturenFlLGMw5BlsD6Zbr0f+TkqclJBDK4lJzXwb/zhnrUgrqJeOk9xU9jKM0DRk04qjkT9LFFJ94VB071dFTYa50BA==
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

2026-09-17T11:42:08.338665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027953
observed e370aef15d7f41ecab0c2f56f1426103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.319467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027953/manifest.json
observed 447e8cf6f02e43ca99a78ababa26fc77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.301439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027953/publication.md
observed 7782051530d0f387193623532a254248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.283736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027953/publication.txt
observed e43fb11a8d1ab5eb016d57c860a31f80...
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.