OpenTechnical

OT-2026-000026177

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000026177) never changes.

Identity and time

Publication numberOT-2026-000026177 · never reused
Internal UUID01a0ae71-a841-7fd9-947d-54acdaf4b0ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026177
StatusPUBLIC

Content hashes

Canonical text0f7f8535482cf7e70a9e70ea212600ce9e08bb4a08e3a580145cbc6447eb54f1
Markdowneadf099b761e9ddd3f4b157d7160ff3910756c75047081e5746ff24c0ceb9824
PDF
Publication page54edb17b4e1fede0ad9ab0fc27e4c8bf063a64e5d5dac22b7b976cc4fae54e1c
Manifest19d24f25c8a9925f2892c2f8f035a86bac95a4289c887cafb5fee3da3afdb9d6

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
Signaturezowxb8YVDvqa2jAxjiwaf2SDHhfh/wAIUZiHjVWT+VrsYtATtf4jbkt9cEV5vLAt5T5uC32YFbdJJOh1qKwICA==
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

2026-09-17T11:46:41.294397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026177
observed 54edb17b4e1fede0ad9ab0fc27e4c8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.276500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026177/manifest.json
observed 19d24f25c8a9925f2892c2f8f035a86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.258200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026177/publication.md
observed eadf099b761e9ddd3f4b157d7160ff39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.239609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026177/publication.txt
observed 0f7f8535482cf7e70a9e70ea212600ce...
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.