OpenTechnical

OT-2026-000010913

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000010913) never changes.

Identity and time

Publication numberOT-2026-000010913 · never reused
Internal UUID01a0ae6c-540d-7d32-bb58-ce1cb5cc069a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010913
StatusPUBLIC

Content hashes

Canonical texta22598498b53770ec1d7821ba82025918d8d449fbfebb527f6a1d00dd5c5a767
Markdown54cbb42a782bcfe3051749bc04fbe6d6e86fc1e4bd449dabc8c52ad8a65cfde3
PDF
Publication pagec9f849f5ebfa683f3d7145f3222b2e50f1812a5b3daff8f0208ce5909b415c76
Manifest523e3cf59057bcf05089faca69f5c8b61b385834e677b3656caf7d9485515a3b

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
SignaturevgjWUum7H/YLoz04OR3Hm/J5iUv2YgUkj2mO6V5CuFgGf2BtrRw84+WcRYgq5CNqlFpPoKNDrIb8dtFO6qXOAA==
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

2026-09-17T12:13:41.429772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010913
observed c9f849f5ebfa683f3d7145f3222b2e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.407995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010913/manifest.json
observed 523e3cf59057bcf05089faca69f5c8b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.388574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010913/publication.md
observed 54cbb42a782bcfe3051749bc04fbe6d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.367081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010913/publication.txt
observed a22598498b53770ec1d7821ba8202591...
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.