OpenTechnical

OT-2026-000041522

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000041522) never changes.

Identity and time

Publication numberOT-2026-000041522 · never reused
Internal UUID01a0ae79-e89f-7347-ab80-0080565b540d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041522
StatusPUBLIC

Content hashes

Canonical textfb7c8e04e8ef2a70ff911315d14bb2d568fde2eb5646b9437f8d369c044e43c9
Markdown0f9f946db146d9c3714bddc6d4445c4ca899789bdc642a05f6e456fe47651b84
PDF
Publication page0d13ef7f692ef3e95904a987cad501e052cccdd0d46750d7ed471da94bb5c9a2
Manifeste5e94e3c1e798ced76ed1a58fdd04e4c517ab2f1b1c864a68ad446dd7a0406f3

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
Signature5S5vMOmZ4kfJyGuBCWTciO6XGuCWhM/ELqDwJSMnmSFgA9m7k3P5rojGjF7I8xENqLI58kUQczCx3nKq44VYCg==
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

2026-09-17T11:16:17.565131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041522
observed 0d13ef7f692ef3e95904a987cad501e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.547596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041522/manifest.json
observed e5e94e3c1e798ced76ed1a58fdd04e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.530151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041522/publication.md
observed 0f9f946db146d9c3714bddc6d4445c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.513446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041522/publication.txt
observed fb7c8e04e8ef2a70ff911315d14bb2d5...
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.