OpenTechnical

OT-2026-000026839

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000026839) never changes.

Identity and time

Publication numberOT-2026-000026839 · never reused
Internal UUID01a0ae72-3452-758d-97c8-4e8368a88649 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026839
StatusPUBLIC

Content hashes

Canonical textd25ee5219cdaf1e5b67dd239f5fe1671848271e57bc0d6bf7a5d587586b8521e
Markdown43326d54b66d37d53e8eea5b1e9b72e7d9e07eef65cf746c2ad4ebaa1ecca898
PDF
Publication page58e579a092860968ec860c8cca8ced3edada49b9d2bd108e65dd85a12d090460
Manifestf390a80f5099aa61566c2b4dcaeeb7a4e3577f590f845eb96d4afd5c6b0a45c0

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
SignaturezuYLRBXcSm5X/KWkFdfwW/Apun4WYgj3UeKTy//yN4bQFfiO5Pk3701WziLjk0eCR9ENMRdHqrt3W8EN4ydqCw==
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

2026-09-17T11:43:18.540258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026839
observed 58e579a092860968ec860c8cca8ced3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:18.522200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026839/manifest.json
observed f390a80f5099aa61566c2b4dcaeeb7a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:18.466403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026839/publication.md
observed 43326d54b66d37d53e8eea5b1e9b72e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:18.412721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026839/publication.txt
observed d25ee5219cdaf1e5b67dd239f5fe1671...
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.