OpenTechnical

OT-2026-000083185

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, sustained blow-off before 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-2026-000083185) never changes.

Identity and time

Publication numberOT-2026-000083185 · never reused
Internal UUID01a0ae97-c963-7c6b-b684-ee6fee0773d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083185
StatusPUBLIC

Content hashes

Canonical text29f64010731f0cd35997a9157a5f8bcaaa3667aff54602d4606c2234cd49d934
Markdownaf7ec8c6795f756bd5e695982ff33eed12cfa6b600c7a93db3f961108d93b0fe
PDF
Publication pagecba1998ed1dbc5361c07f6e7805d0c216f4f017a11f9ff87fd614c5e85886159
Manifest05005978b52517266e247d7cca9b17ef8e0051d670104d9c216ff2e958b79f16

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
SignaturemXVscqV+gLeWxMszzPv9BBjh1kNcsNWWpv22OG/SqLVsFSNeV3SvNMWvosXk6Yqnf6zTi2xQuO3zBcV5w5YIAQ==
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

2026-09-17T09:01:00.062632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083185
observed cba1998ed1dbc5361c07f6e7805d0c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:59.921121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083185/manifest.json
observed 05005978b52517266e247d7cca9b17ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:59.901638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083185/publication.md
observed af7ec8c6795f756bd5e695982ff33eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:59.883368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083185/publication.txt
observed 29f64010731f0cd35997a9157a5f8bca...
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.