OpenTechnical

OT-2026-000050213

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000050213) never changes.

Identity and time

Publication numberOT-2026-000050213 · never reused
Internal UUID01a0ae82-5c46-7d89-9b37-2c49f88e656b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050213
StatusPUBLIC

Content hashes

Canonical text32adf7b84b9126ab672f606ca84b0606b1dbcc9c4f7c0f4a20ab2b5542a9df16
Markdown8b04c987f5505301906273f7bd8d55e3f7bd95cf6c32137692269d34eaed8754
PDF
Publication pageb309497826d7083994a17489d0fc11589717da98533c36b9c6895f550587ac07
Manifest7dcbe2530c9d1f2648487973f578060e3fcb010c52a4643497d24f1055070bae

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
SignatureIzdDJdh0fNL2UK7lquYbfDcYxah7ZCt33iGxzZyfbjFnbsiIeqKB48elaWlEYr1RMoY5myZU4FE+U64gjXKTAA==
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

2026-09-17T11:01:12.246146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050213
observed b309497826d7083994a17489d0fc1158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.229429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050213/manifest.json
observed 7dcbe2530c9d1f2648487973f578060e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.212081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050213/publication.md
observed 8b04c987f5505301906273f7bd8d55e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.194022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050213/publication.txt
observed 32adf7b84b9126ab672f606ca84b0606...
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.