OpenTechnical

OT-2026-000014817

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000014817) never changes.

Identity and time

Publication numberOT-2026-000014817 · never reused
Internal UUID01a0ae6d-d094-7d55-9c75-573b39dc1a72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014817
StatusPUBLIC

Content hashes

Canonical text2714d71b55053e8cda2c8dda3d49a7be4d2e0639bfdf30f21b77a6b5e884ffd6
Markdown3a692848bf987a5ef821d5aef9bbb328b0393ed7e27d4c12627f10e77624b890
PDF
Publication page233cb102f7ef8015e64051f3d4bca4a1fef5616dd367beb31b557fd0c6ed047d
Manifest4a69ab68f8996007f7c2c872d93a3b4d3c2eaf51da8ad7cb7ffdad270382cf5d

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
SignaturecMu7DvF7ic6I+sUe/4NHsr0d0VwOOxZCnHu0QeWULwTD2t/vWii+rLxtTqxnLnU+CsjsPcS0ll0lKdSRoFklCQ==
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

2026-09-17T12:06:43.066050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014817
observed 233cb102f7ef8015e64051f3d4bca4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.047971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014817/manifest.json
observed 4a69ab68f8996007f7c2c872d93a3b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.028271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014817/publication.md
observed 3a692848bf987a5ef821d5aef9bbb328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.008943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014817/publication.txt
observed 2714d71b55053e8cda2c8dda3d49a7be...
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.