OpenTechnical

OT-2026-000011197

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, vented 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-2026-000011197) never changes.

Identity and time

Publication numberOT-2026-000011197 · never reused
Internal UUID01a0ae6c-540f-71a0-9bc0-7034e69d9a6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011197
StatusPUBLIC

Content hashes

Canonical text2afb2fb0fc5b4a42530caabccb8d2ca1b7f0d1eb373e1c548c174ef586e3204b
Markdown13f2d331b3545b80a179c4433441897302a0b66f0427248f36bc8f4e5976cded
PDF
Publication page1c29d83e6a88c3bfa35299655843f1a5f2dd3d84e210324433032e33771f197b
Manifestb70263de599553ffcda6fef3440d933367a7f4bc3ffa5a36da66658921f3db27

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
SignatureKFg8v+cacSRbv4FF4RtMg5ay8M+vNUkUdCXtxWUxVMb/rGe3udgI/DwMTKkUvgfiWa7jJBoNi3T4gxZ4we8nDQ==
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

2026-09-17T12:14:08.710481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011197
observed 1c29d83e6a88c3bfa35299655843f1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.689900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011197/manifest.json
observed b70263de599553ffcda6fef3440d9333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.669550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011197/publication.md
observed 13f2d331b3545b80a179c44334418973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.650012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011197/publication.txt
observed 2afb2fb0fc5b4a42530caabccb8d2ca1...
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.