OpenTechnical

OT-2026-000013313

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000013313) never changes.

Identity and time

Publication numberOT-2026-000013313 · never reused
Internal UUID01a0ae6d-6fc9-7b59-b050-a7fe3173f679 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013313
StatusPUBLIC

Content hashes

Canonical text9319e0fb92da61de5616d4bdf991e8f76b31700d68ffaf6bd15d2f96137c04fe
Markdown04d36c58fe7912d5eb0c3d01bf78f2bee7588d8a4805122a68c6a91400bf7217
PDF
Publication page06816e3b7dfd6246baee884ddbc6b5554b4f1d30d62a2401b6db5d8d47613408
Manifest20b98b1d473a9a1c4e8a22c2a46aa02d5ecfa92392104f36397d257bf391f5bf

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
SignatureRALXHk4NDbBGaEGaYGbm4BJLHhwGs/lksbb2ysgmNF+i8ZCLxNeaLExGc2hxDaVzqSgiJ21WSl6GpjGYTZS/Cw==
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

2026-09-17T12:09:44.667324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013313
observed 06816e3b7dfd6246baee884ddbc6b555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.648482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013313/manifest.json
observed 20b98b1d473a9a1c4e8a22c2a46aa02d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.627969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013313/publication.md
observed 04d36c58fe7912d5eb0c3d01bf78f2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.607377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013313/publication.txt
observed 9319e0fb92da61de5616d4bdf991e8f7...
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.