OpenTechnical

OT-2026-000031377

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000031377) never changes.

Identity and time

Publication numberOT-2026-000031377 · never reused
Internal UUID01a0ae74-87ad-7efc-a86b-88da899ebda1 · 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-2026-000031377
StatusPUBLIC

Content hashes

Canonical text8d987d606d13acde7a171f6dd4f0a18c8bffdff4e37d909d972db0b56d2c26f9
Markdown5af175dfe5d37575b9bd9420cdc10e3315ffd0b8d92e22d42385924e51311b8d
PDF
Publication pagef3a9e97333b2ab02056a33a85d3798ee88807e844aa8cce06f6b20ad14930f78
Manifest6a6fe4e1c566b98dfd8b7db382837d9c4b6af48c7e5bfa0b33cab7eff1c1ded7

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
SignatureXvYwmy1IEJaf+0mrPAYuM2kG5PgoSCLqF7kwkG37GTXT0WfyfolQpO0osJOvcUH2LZ3EKNJQ3dTv1tVbWJImDA==
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

2026-09-17T11:36:04.997618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031377
observed f3a9e97333b2ab02056a33a85d3798ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.979653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031377/manifest.json
observed 6a6fe4e1c566b98dfd8b7db382837d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.959628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031377/publication.md
observed 5af175dfe5d37575b9bd9420cdc10e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.942810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031377/publication.txt
observed 8d987d606d13acde7a171f6dd4f0a18c...
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.