OpenTechnical

OT-2026-000031585

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000031585) never changes.

Identity and time

Publication numberOT-2026-000031585 · never reused
Internal UUID01a0ae74-87af-781f-9f4d-7af79f761672 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031585
StatusPUBLIC

Content hashes

Canonical texta84cd16171967349a14f24ec4e0effa10a77b8ce126302ef95abd397488adef7
Markdown6ebe8892cdaa20a840b6f85e55d9f33a4a011fffec956400b68604ce68f539e9
PDF
Publication pagecf3a9b649b9d751c550dde86210dd64f6679cecdd89d369cf02a5e516d4cbbf8
Manifest2351ad93017347d4087fc191b9fd0e2ccfa337f67cfa4e971e96d7ec8b41e3ef

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
SignaturePuejXM6ySL2FZVnDLoQG3TpNqBO4Hw4nAOpT4m9w3vAGy958sxi7ckIQ+qdVnDLvrC11fMhREqAgfIf4BLPvBw==
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

2026-09-17T11:36:26.330920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031585
observed cf3a9b649b9d751c550dde86210dd64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.313017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031585/manifest.json
observed 2351ad93017347d4087fc191b9fd0e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.295349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031585/publication.md
observed 6ebe8892cdaa20a840b6f85e55d9f33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:26.277806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031585/publication.txt
observed a84cd16171967349a14f24ec4e0effa1...
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.