OpenTechnical

OT-2026-000062216

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000062216) never changes.

Identity and time

Publication numberOT-2026-000062216 · never reused
Internal UUID01a0ae8c-0abd-7dd1-a362-877b61e608bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062216
StatusPUBLIC

Content hashes

Canonical text666e7aaf327d713ec52ee598ee6a2d5050bd5bbcad88539af2846cd6e666c56f
Markdown139f8f820a3f4a582ccbe9184df0c7608f9fb19df4030e0fe46643b03ddb19c1
PDF
Publication page1ea43382eb0cf820a7180e051f03b7c3c936a8e54f120e9c79a2f1ce93fe7e4c
Manifest727096e7bb59f671215bb9f1e97b173efa7b33ac8a1de4ed5a537f64a210f424

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
Signaturecf6A9j+Qzp/ogdsTBo4UCxOpQ+hT0nLoQpwrIV0YivvHhPg6XTD8BiWI9phQUAeNfmlOtjskF9hQqAEhjgV4Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:29.190072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062216
observed 1ea43382eb0cf820a7180e051f03b7c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.172846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062216/manifest.json
observed 727096e7bb59f671215bb9f1e97b173e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.156405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062216/publication.md
observed 139f8f820a3f4a582ccbe9184df0c760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.135056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062216/publication.txt
observed 666e7aaf327d713ec52ee598ee6a2d50...
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.