OpenTechnical

OT-2026-000077600

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000077600) never changes.

Identity and time

Publication numberOT-2026-000077600 · never reused
Internal UUID01a0ae95-2ece-7cd7-9156-1be223ed9790 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077600
StatusPUBLIC

Content hashes

Canonical text419129469050304ce908542f3102e280358547adea2d95125fc49d6aa69f3b78
Markdown5fc49c553ff8f78362f81f2389035d5c3589f2f31b8a94af6c88e83a82e5de6b
PDF
Publication paged1e75900d7e348c0c5406719d10f7873fceb9584503534cf9c2d603a06f123bf
Manifestda001f326c34814136b521d1f56f877fd116c54b2c17661dd6d9966a1d123f10

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
SignatureZhZo4VgwwNHvENVUpKAiqZsjsktFKp7k1R85X5B3Q2e/qlWY7hsA7MiTLjB10phDCICnluxHXgmYpiNs05VPAQ==
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

2026-09-17T10:06:54.179499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077600
observed d1e75900d7e348c0c5406719d10f7873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.162107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077600/manifest.json
observed da001f326c34814136b521d1f56f877f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.108850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077600/publication.md
observed 5fc49c553ff8f78362f81f2389035d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.059324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077600/publication.txt
observed 419129469050304ce908542f3102e280...
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.