OpenTechnical

OT-2026-000027986

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000027986) never changes.

Identity and time

Publication numberOT-2026-000027986 · never reused
Internal UUID01a0ae72-a51f-7bf2-86b5-ef751d2d7994 · 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-2026-000027986
StatusPUBLIC

Content hashes

Canonical text8e4cf7a3ca02da7edc450bcc8fab47048982a46f13acbe861df1d08aad07c925
Markdowncbe9c0fc4375d73318b7263e42c7d11ea36cc5c41558cd1fd3a1cc8e5a8e4ae3
PDF
Publication page9ed10ede9a09291d0859363da8a801b9445e1c0d65527ad7932af109c3581584
Manifest2b5daa517a23f1ebcd6f744b289a794abfef5aafc6e0c8ae72c99f864bc9f8af

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
SignatureRxyn/paCXM8psvTFW1CgZM1k7Ig+lOFE39x/OJAQWXIHQ0WOrLEh/am/enu9Zk9EqKpD7TFZSbRTyZ05KyQyBg==
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

2026-09-17T11:42:11.504452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027986
observed 9ed10ede9a09291d0859363da8a801b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.476922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027986/manifest.json
observed 2b5daa517a23f1ebcd6f744b289a794a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.457316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027986/publication.md
observed cbe9c0fc4375d73318b7263e42c7d11e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.435842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027986/publication.txt
observed 8e4cf7a3ca02da7edc450bcc8fab4704...
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.