OpenTechnical

OT-2026-000031934

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000031934) never changes.

Identity and time

Publication numberOT-2026-000031934 · never reused
Internal UUID01a0ae74-bad2-7ec1-8eb1-9eb8ab17e75e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031934
StatusPUBLIC

Content hashes

Canonical textd0b22d7b15564eb4f559e1c9dea8f6fb1626f06611bb32cc4c6bb1d118c5df4b
Markdown5ffe0f882770152eaaad3bcf848817e620a3161650ab017297069808ab0873da
PDF
Publication pageb33ed7753dd5a76ef43b49ab45037a08af3adc191635e1f271fa9a9f9179dfa1
Manifest622cf8c3389ae680e5dcb669aa9a20c3aa3a6fb210b16448c6e398b38a1023e4

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
SignatureCpEYZJM5OSCroRBaPd3sQk32Libr6HVPb/7JCy7oLY6t+yS3wXRjHl4YXd/ynW6gs/lp9weyxKe+6ARJVDksDQ==
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

2026-09-17T11:35:12.905096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031934
observed b33ed7753dd5a76ef43b49ab45037a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:12.887954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031934/manifest.json
observed 622cf8c3389ae680e5dcb669aa9a20c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:12.870287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031934/publication.md
observed 5ffe0f882770152eaaad3bcf848817e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:12.854248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031934/publication.txt
observed d0b22d7b15564eb4f559e1c9dea8f6fb...
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.