OpenTechnical

OT-2026-000014930

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000014930) never changes.

Identity and time

Publication numberOT-2026-000014930 · never reused
Internal UUID01a0ae6d-d095-72ed-b16a-50e1ff9799f2 · 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-2026-000014930
StatusPUBLIC

Content hashes

Canonical textbddd4915a5d55382f680d45d4437170ab5f9945c8730abc88c06b1e8509a09f1
Markdown7f323e389caf6202535f0c4a23269a6ba0a5cfdf027c6d2e817d15771c027e23
PDF
Publication page0cf40562eb07b7d0f9f3692a7e0403b0e0dd468db1cd1cf8ee8529d3b85fb5f5
Manifest4c165d9abb23add49a786b18fe90147a4312031aa245414798b9e505eb900c31

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
SignatureViS8Eo076W3mh82SQIzSiIonxdhzyfuL+PZvrCQc2WKH1tSMbAxlM/oaZsyei3QK2sz45NpKitWHqFyfBSZ7BQ==
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

2026-09-17T12:06:52.325260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014930
observed 0cf40562eb07b7d0f9f3692a7e0403b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.307251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014930/manifest.json
observed 4c165d9abb23add49a786b18fe90147a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.286963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014930/publication.md
observed 7f323e389caf6202535f0c4a23269a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.266767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014930/publication.txt
observed bddd4915a5d55382f680d45d4437170a...
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.