OpenTechnical

OT-2026-000069077

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069077) never changes.

Identity and time

Publication numberOT-2026-000069077 · never reused
Internal UUID01a0ae90-6dce-7b70-b029-619886da3056 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069077
StatusPUBLIC

Content hashes

Canonical text9aae875a81114afbcd07ba95f3cc86506d477117d8d64386c36a3e4eab36d516
Markdown63de84c9d5caa150f260f3b6b54cff5accf7e82d2d33b1a33ce5f70e526500c4
PDF
Publication pagea5f6d574e97bc5df78963cb3dcce4fe7e2f2257dd5483041d2b70f9ae86c9fc1
Manifest1e575d1692bd0b3dfdcf6807ca8225ebe6b1e9b59ce6b07cffef721a086fca5d

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
SignatureNjIzrwyG5u3DrHobqBH3/2d1OO3wy+WIvi3fkdPQtzTVNxBj5Quyip2IwIcphwRuLTK7KyP2lY+MGnpyzOX6BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:56.639190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069077
observed a5f6d574e97bc5df78963cb3dcce4fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.621601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069077/manifest.json
observed 1e575d1692bd0b3dfdcf6807ca8225eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.604783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069077/publication.md
observed 63de84c9d5caa150f260f3b6b54cff5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.588075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069077/publication.txt
observed 9aae875a81114afbcd07ba95f3cc8650...
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.