OpenTechnical

OT-2026-000026902

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000026902) never changes.

Identity and time

Publication numberOT-2026-000026902 · never reused
Internal UUID01a0ae72-3452-723c-b78d-2480a4045abd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026902
StatusPUBLIC

Content hashes

Canonical textcc430c41a58a516548e81897f06c506e4fd2a8513acc20c64a674825e70d56b3
Markdown6b42505759d4196d4a9a2f35ae607be92a075f50b963b65919b4f230c99c282e
PDF
Publication pagec6fa3aabf870e38a439a62fee3c5a2b7d4ab2c6975667b870abbe92f62c6bd02
Manifest39e382ba4eb2fe2196b0b4c1d7e683c00930a48786fc9f51efb7f4a6354c5361

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
Signature+b7lpoezFBnz1MBQ/xkfHO+dWlLibfGD8hZ9AAogIakAqxR+VMr4mTxVY4caKvCddBP/tWGoFlhyGLF492EzBg==
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

2026-09-17T11:43:30.771642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026902
observed c6fa3aabf870e38a439a62fee3c5a2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.755120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026902/manifest.json
observed 39e382ba4eb2fe2196b0b4c1d7e683c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.738171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026902/publication.md
observed 6b42505759d4196d4a9a2f35ae607be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.720773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026902/publication.txt
observed cc430c41a58a516548e81897f06c506e...
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.