OpenTechnical

OT-2026-000023197

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000023197) never changes.

Identity and time

Publication numberOT-2026-000023197 · never reused
Internal UUID01a0ae70-7267-7a03-9d16-67d48f0a63ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023197
StatusPUBLIC

Content hashes

Canonical text5cecde961b49c4598e4a9783a15db4ed8c238be0ab28701723ddef094196053b
Markdowne856484ce81a06c78d2caf00b94b21b566e510fe3c25800c5d1890995f9cd9ad
PDF
Publication pagee6175664941b01799e2351eb43bf7b8a3aafac95e49cdc8da0d6c148fa53d4cb
Manifest9a541112ce88988841814dbcb9bb03e37743fc86ac3d70b5e1d703be79657fa1

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
SignaturedOW4vtD25DDRR4v4RS9So0WU/YiwgF+mYG5L+l358aM0yOtyNvOKzUtTXnCLxx43ubyVvJUIgod8XZEcyfTzAg==
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

2026-09-17T11:51:09.035498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023197
observed e6175664941b01799e2351eb43bf7b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.016929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023197/manifest.json
observed 9a541112ce88988841814dbcb9bb03e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.997359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023197/publication.md
observed e856484ce81a06c78d2caf00b94b21b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.980593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023197/publication.txt
observed 5cecde961b49c4598e4a9783a15db4ed...
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.