OpenTechnical

OT-2026-000029170

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000029170) never changes.

Identity and time

Publication numberOT-2026-000029170 · never reused
Internal UUID01a0ae73-2aa0-7d6e-b01c-2a9464d073a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029170
StatusPUBLIC

Content hashes

Canonical text00fc4772a8794bc17f55bf173ceb0857c583571029c9c31e51965d512d6653e8
Markdown500a476b043f3f30074e6ae78ceb197a10649664833a28844f900b31ca011c4f
PDF
Publication pageecf66f161bab3b803c0e19e8aaae41874834b9835d696a4dcca5ffecbacd93ec
Manifest04f3420b3fbe2b3bbc21e93db463bc642d501ebd203f96035c43289d8f41adf9

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
SignatureauQejnxMclaX1L2KuPZff4/AUYK4YjlGceYQx4cxKExaHCFZzVzyiOYH30h0axeoYqL/rdddfFrQTt9mTaFgCg==
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

2026-09-17T11:39:40.207213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029170
observed ecf66f161bab3b803c0e19e8aaae4187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.189267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029170/manifest.json
observed 04f3420b3fbe2b3bbc21e93db463bc64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.172329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029170/publication.md
observed 500a476b043f3f30074e6ae78ceb197a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.154331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029170/publication.txt
observed 00fc4772a8794bc17f55bf173ceb0857...
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.