OpenTechnical

OT-2026-000024089

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000024089) never changes.

Identity and time

Publication numberOT-2026-000024089 · never reused
Internal UUID01a0ae70-aed7-7107-80c7-7894ede094e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024089
StatusPUBLIC

Content hashes

Canonical text24750a4bb52c3742ab822abe281e223bdd4d18a7fa98e0ab539e66e109a2d96d
Markdownc0771d7439979545534a37e67022f56477774d8bae3b96b158709e0d4123b9ac
PDF
Publication page6739b5a49c584b8c8f88bc43ef43d9956e59ac2a7acfe04b94ef0708639094fb
Manifestd4f0c602ba928a06af2d8ce7238dbcfb1e9e9e76410a1f5828f65f65e7049d65

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
SignatureKM0+TqCqzotcXjL+y6wfgQ5NCAKrRaaG2irYizfEnJoE9mK2FjOTJMxibuaeJ2RMi0WdRKIDqOUUMwYxRLalBg==
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

2026-09-17T11:51:00.396302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024089
observed 6739b5a49c584b8c8f88bc43ef43d995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:00.379416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024089/manifest.json
observed d4f0c602ba928a06af2d8ce7238dbcfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:00.359082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024089/publication.md
observed c0771d7439979545534a37e67022f564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:00.341790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024089/publication.txt
observed 24750a4bb52c3742ab822abe281e223b...
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.