OpenTechnical

OT-2026-000047888

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000047888) never changes.

Identity and time

Publication numberOT-2026-000047888 · never reused
Internal UUID01a0ae7f-c421-7b01-ad57-7d8192917d4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047888
StatusPUBLIC

Content hashes

Canonical text4d8c2deaead9c6eb409cc4921078461a4e27d29451b7da5d0cc9bd0476aae02e
Markdown48d2a649bad606f877841235c205bca21f45320eaf593796e606ae36178b34c4
PDF
Publication pagebe83e9a074b4724cb641143d6790792be40791a41cce8c06bfaef05f687ddbea
Manifest43ce0df544eadd525f48722a800b191adb9500c1194ef8b5c39b17bb010e6ab1

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
Signature7s8ygREeUm3ViXQa5Qmy7D3wIKyLwooFet8VbrSvHnMTSVpCka99WN2Gs0Lo/BHwV6x9Zv6YuVO9ult7NeRIBA==
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

2026-09-17T11:05:49.488711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047888
observed be83e9a074b4724cb641143d6790792b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.469725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047888/manifest.json
observed 43ce0df544eadd525f48722a800b191a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.448869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047888/publication.md
observed 48d2a649bad606f877841235c205bca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.429027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047888/publication.txt
observed 4d8c2deaead9c6eb409cc4921078461a...
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.