OpenTechnical

OT-2026-000016004

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000016004) never changes.

Identity and time

Publication numberOT-2026-000016004 · never reused
Internal UUID01a0ae6e-0c4d-746f-9213-346bbcfc40ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016004
StatusPUBLIC

Content hashes

Canonical textc748fa1a016b701ff359364509f0d82f8f078cabdc9b38b225284a8724e0084d
Markdown51d9fee85b8a098a806c464ee2ddc4117791be02b8241789ec4ac96b534a6dd9
PDF
Publication pageae2464407f1a68d141648daa86beec2ad700bdf3a57452b7679dc1edd30b3102
Manifestf6009b7b135326284fd54b48e8a3b3c4d5fd21702d8d227dde26d81ed9f46f90

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
SignatureoCNx/6+iBBrgH2KvKBub3oPLtnrayAxcwrA4C3hBBbR0gxxslbRnxFRIO2YzPd3rN6uynlQvcrDmkiotjpP8Cw==
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

2026-09-17T12:05:31.965651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016004
observed ae2464407f1a68d141648daa86beec2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:31.939135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016004/manifest.json
observed f6009b7b135326284fd54b48e8a3b3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:31.910892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016004/publication.md
observed 51d9fee85b8a098a806c464ee2ddc411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:31.887722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016004/publication.txt
observed c748fa1a016b701ff359364509f0d82f...
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.