OpenTechnical

OT-2026-000073470

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000073470) never changes.

Identity and time

Publication numberOT-2026-000073470 · never reused
Internal UUID01a0ae92-efb8-7d66-bde2-245971a8ccf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073470
StatusPUBLIC

Content hashes

Canonical text9f0ee79dee9fc01c22144cfefcd4192726ae51720187cfb461229d0ecf677e76
Markdown9928a9705567034f1d2dc36e8df4d47476c608f384300838d85fcc016af2dc19
PDF
Publication page5661afa7530275547abbee4f6e8baf051fbf9307a9f750b195614d91082eb3e1
Manifest0d3b97ee9fd920b5ec6137e3d539bb0f090bd1cf653f41b78bfe241e22fa27bc

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
SignatureeeHbqgkzSwGbBLSzQw3V/8ls68Rg1TEUC7GO8R9e/tsj0B5WE/6UNlu0LsrazGwShyQBwBj1ln1zp8CoyjF6Dg==
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

2026-09-17T10:21:38.198376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073470
observed 5661afa7530275547abbee4f6e8baf05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.181645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073470/manifest.json
observed 0d3b97ee9fd920b5ec6137e3d539bb0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.164872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073470/publication.md
observed 9928a9705567034f1d2dc36e8df4d474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.147711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073470/publication.txt
observed 9f0ee79dee9fc01c22144cfefcd41927...
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.