OpenTechnical

OT-2026-000046116

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000046116) never changes.

Identity and time

Publication numberOT-2026-000046116 · never reused
Internal UUID01a0ae7e-032b-70f2-b3e0-8732b0314766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046116
StatusPUBLIC

Content hashes

Canonical textab3988ded69ad8db5d0122238d72bc28c430e302a60fb4551e761badc87b511f
Markdown4f855e1042e28fd396825ced1b3bceb741ca3605635ac9f7b62a5b6acf813d58
PDF
Publication pagee14aa74969acadbe605ecc1f1388165b7be62903cc9dccdd7f56691a94edf945
Manifest391be3246c724cabb7136f522248d1172776adebe4a8e47f8b155fa2a7754e6b

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
SignatureTQO37sBAU0EliSd1IK5Dzd59wxvi6zmbOLKjOyWacRVIMMDQ+wGm8HWSOLYhrz0X7gVCFjUFaldX90Da6obtCw==
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

2026-09-17T11:09:05.864986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046116
observed e14aa74969acadbe605ecc1f1388165b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:05.846636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046116/manifest.json
observed 391be3246c724cabb7136f522248d117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:05.827126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046116/publication.md
observed 4f855e1042e28fd396825ced1b3bceb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:05.809493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046116/publication.txt
observed ab3988ded69ad8db5d0122238d72bc28...
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.