OpenTechnical

OT-2026-000043570

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000043570) never changes.

Identity and time

Publication numberOT-2026-000043570 · never reused
Internal UUID01a0ae7b-92cf-7391-8d64-85607575b4f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043570
StatusPUBLIC

Content hashes

Canonical text6a10ddca6040d107667e025aed59f740a0deceab4b7c4cfa67814cfb5b28e7c9
Markdowne188c12877b25f35f33da0d86bc96641fb6d548d75963f610d7da36bdeca0876
PDF
Publication pagec61fc9f9d72304251dfe86661fb9f700737eff23c31b8c954bb7534fd8280ff4
Manifest3ea725020e0eafe77c09f5d094f7c4b602fe0c4d73b9f158b399ff0693630b65

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
SignaturersZAxDzFDvlYUgfS9KAobSLqeso511vpU1InrPl17sfCfz1po8MNTR12QY1nfmef0/PtaL2mszbWVmjg+Hi9AQ==
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

2026-09-17T11:12:57.937030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043570
observed c61fc9f9d72304251dfe86661fb9f700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.917872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043570/manifest.json
observed 3ea725020e0eafe77c09f5d094f7c4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.899292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043570/publication.md
observed e188c12877b25f35f33da0d86bc96641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.882011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043570/publication.txt
observed 6a10ddca6040d107667e025aed59f740...
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.