OpenTechnical

OT-2026-000012246

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two 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-2026-000012246) never changes.

Identity and time

Publication numberOT-2026-000012246 · never reused
Internal UUID01a0ae6d-39f5-71f0-856f-d6cf795a8e83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012246
StatusPUBLIC

Content hashes

Canonical textff8bd2b9695654b8f53e5c273ba59cc1ab5e1de92b4df035697997bfd178d0a1
Markdown040da937389022c92a759fbf6d85247aeeac664f571a27c01bf679102e16acac
PDF
Publication page2834654da1db703b3b6a9e9466cdd869197c1c92fde6b5061e88404c93632534
Manifest683af234609ff6f3ca5c69dc2709ba715770e1dadba3aafba86f1489b37fb24e

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
SignatureyLupl5qPrloQWTbbG8tvxidf7lYNzA0QWWOwBm/76PlQnve/9l/nrd5pUYoUbyPeVCJBhbm/OyOrANg2RqxKCQ==
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

2026-09-17T12:11:10.486360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012246
observed 2834654da1db703b3b6a9e9466cdd869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.467183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012246/manifest.json
observed 683af234609ff6f3ca5c69dc2709ba71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.448725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012246/publication.md
observed 040da937389022c92a759fbf6d85247a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.427807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012246/publication.txt
observed ff8bd2b9695654b8f53e5c273ba59cc1...
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.