OpenTechnical

OT-2026-000011497

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000011497) never changes.

Identity and time

Publication numberOT-2026-000011497 · never reused
Internal UUID01a0ae6c-88ff-7a22-bc42-b9f88e9dc301 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011497
StatusPUBLIC

Content hashes

Canonical text0698c7e9122550795b804be67d0b9b4ec07bd6f15a529d756865e43a211eecf5
Markdown22d78dcbb768698e5b2dfca788809d8e9565ef718bde19a9db422a4b781a02cf
PDF
Publication page39444f4e77766b45ca3574dc1e505ba0dab410b6a066d5c553d675327334a68b
Manifest3fd5acafef55fd7d18221e3ca056e7930d124afa28b717c1fd20406e80e6d7fc

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
SignatureHAMCmZIqLP0ggqYkSK3pfWL0usFSh7evKoJpdDRnCaGchqNCbydOraESsbmlt2l2TBgXXfxSu0aftfeLOcNwDQ==
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

2026-09-17T12:13:16.498769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011497
observed 39444f4e77766b45ca3574dc1e505ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.477850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011497/manifest.json
observed 3fd5acafef55fd7d18221e3ca056e793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.457462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011497/publication.md
observed 22d78dcbb768698e5b2dfca788809d8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:16.434759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011497/publication.txt
observed 0698c7e9122550795b804be67d0b9b4e...
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.