OpenTechnical

OT-2026-000032856

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000032856) never changes.

Identity and time

Publication numberOT-2026-000032856 · never reused
Internal UUID01a0ae75-4842-7d8d-b753-58e20cc7b764 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032856
StatusPUBLIC

Content hashes

Canonical text68ba2e3ab37ee4fae801ad42d1cad4633202c2ea878d5511ac63e3c0458705eb
Markdownda098ae80a43bd477d0e14afacc0048b6676feb4a5ceb3e0883d04d4889adb6c
PDF
Publication page3ed44537e908a872561e189b88c127ebb17111e4526d0bbcca4d0673456c071d
Manifestdfb2590ca9a5d90d17b917b21fdb8840657824db53a8b22411f3d60a82b1f80f

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
SignatureO4l/FJNl3fdBlDLwb1bk59BhOJTDcvrLN5Vi2zgq/1Br6GrJwKzj/pP5ehqjbdorYfSnMWhpywH+hXOePQnBAg==
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

2026-09-17T11:32:19.229951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032856
observed 3ed44537e908a872561e189b88c127eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.211401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032856/manifest.json
observed dfb2590ca9a5d90d17b917b21fdb8840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.193933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032856/publication.md
observed da098ae80a43bd477d0e14afacc0048b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.174518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032856/publication.txt
observed 68ba2e3ab37ee4fae801ad42d1cad463...
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.