OpenTechnical

OT-2026-000041026

Publication integrity record

Foam pad vacuum gripper, 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-2026-000041026) never changes.

Identity and time

Publication numberOT-2026-000041026 · never reused
Internal UUID01a0ae79-b10e-7aed-a5ca-6f499f77fb90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041026
StatusPUBLIC

Content hashes

Canonical text34db23073e59d2d24fa715734e4963fd0beb0311de5067116afac51f72b8f35f
Markdown291c70588bc913daadcd49ebeaea7b01e789a14941bbad23a5c2931c0b6061d7
PDF
Publication pagecd5d3c52d86d1e50b0534dcc657f5e7035a2ee703fbb7a126849f21dc6bbff1f
Manifest9ab663ea25858d6788b2497e12e4596bc507c8db5a6225eb4c31004b91635e2a

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
SignatureBT/Bos8xCA/8Fflk1BDrGrfVJYdM8rFS7QvykvgDxkwDt214NJsB8XTuIS8Fcwq7d7VxAPsstbd9Ice1ofzJDg==
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

2026-09-17T11:16:56.091660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041026
observed cd5d3c52d86d1e50b0534dcc657f5e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.077709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041026/manifest.json
observed 9ab663ea25858d6788b2497e12e4596b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.061697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041026/publication.md
observed 291c70588bc913daadcd49ebeaea7b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:56.045378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041026/publication.txt
observed 34db23073e59d2d24fa715734e4963fd...
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.