OpenTechnical

OT-2026-000046413

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000046413) never changes.

Identity and time

Publication numberOT-2026-000046413 · never reused
Internal UUID01a0ae7e-57dc-75ad-88d0-5ff8ec7547cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046413
StatusPUBLIC

Content hashes

Canonical textf6fe54803aa51fde2873f0d9fed0c711df462601607742a15fb83e2f41bd6006
Markdowne67cd3c382b5166745c090ea89540d1f0ecc4f247a924aab6e4b2df779ff6ce3
PDF
Publication page8199e498f532299a803e99fcc92540a80ca3b2ba19d36cb46899e1fa15c7673b
Manifest6b74bd6040e8a35ca46cbf74bc3bd64b35638406ef92c93b14f39f97c89a0b80

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
Signaturevi7fZzWe8wFgDfVAnJ+WmEB3Xkjl/O0TxGUxl43qNamejq1ImT4depSg3GzlMiUeXbT+1DgIw+8rQT26zA3uAA==
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

2026-09-17T11:08:25.430148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046413
observed 8199e498f532299a803e99fcc92540a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.410686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046413/manifest.json
observed 6b74bd6040e8a35ca46cbf74bc3bd64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.389971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046413/publication.md
observed e67cd3c382b5166745c090ea89540d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.371405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046413/publication.txt
observed f6fe54803aa51fde2873f0d9fed0c711...
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.