OpenTechnical

OT-2026-000083609

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, sustained 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-2026-000083609) never changes.

Identity and time

Publication numberOT-2026-000083609 · never reused
Internal UUID01a0ae98-0415-7fc1-b72d-bb7b5db361c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083609
StatusPUBLIC

Content hashes

Canonical text6f78eff86ed1b5b6e9ac807de241df472fb71fc571e38d8a2d1e2ea722dd2139
Markdown7e70a4eb1608ef08c87c963ce2d0fd10db7f76d13243711a010d34c5af7a1c2c
PDF
Publication page8aaf348c5f8ae8368109f1f17364c7e80d3c785c310252833131eb8f585073bb
Manifest0683c98339ecfa96c277ae840598c25c57e6b820cdc53679902581721e0eb54e

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
SignatureL5Yc8S6kct4gN5saXqcoynLk3DZRP3ZTYQ6fo4KTZJ5LbdXjmgkLdGpfeA0vZrz79+1XqCVPaPArGDRLAjzOAQ==
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

2026-09-17T09:57:06.350440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083609
observed 8aaf348c5f8ae8368109f1f17364c7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.333496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083609/manifest.json
observed 0683c98339ecfa96c277ae840598c25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.315176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083609/publication.md
observed 7e70a4eb1608ef08c87c963ce2d0fd10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.297988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083609/publication.txt
observed 6f78eff86ed1b5b6e9ac807de241df47...
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.