OpenTechnical

OT-2026-000014143

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed 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-2026-000014143) never changes.

Identity and time

Publication numberOT-2026-000014143 · never reused
Internal UUID01a0ae6d-b278-735a-ad9a-d6b3d667ac22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014143
StatusPUBLIC

Content hashes

Canonical textae6a8e7c4812892c72352278490e4228d3983a9a262d45b8b86e764bdf8a93e2
Markdown54524b9c5b4deb415d1373788b87c8d4b4a623b53ed273f9554df18d81bf7420
PDF
Publication page37d42204ccdad63707eb9d9066d2f5747105cb7a222b1781f66ad8ae1581a52e
Manifesta00b5fa1f16e3192730de7a3792bcac93f1730a3397a9bf8b63351b5c0428acf

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
Signaturef1HHHfoaOU5mnIF9LbfE2ex0yxziP2WYgsmWRIJSP/ob/luYS+/DmQNwtbU3p1CfHM425HVBs1COzKXNThXgDw==
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

2026-09-17T12:07:13.303433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014143
observed 37d42204ccdad63707eb9d9066d2f574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.284397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014143/manifest.json
observed a00b5fa1f16e3192730de7a3792bcac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.267140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014143/publication.md
observed 54524b9c5b4deb415d1373788b87c8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.246864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014143/publication.txt
observed ae6a8e7c4812892c72352278490e4228...
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.