OpenTechnical

OT-2026-000007615

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000007615) never changes.

Identity and time

Publication numberOT-2026-000007615 · never reused
Internal UUID01a0ae62-76bc-712d-88f0-2a35ae2821ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007615
StatusPUBLIC

Content hashes

Canonical text6815c8b0a5d5ae2d6aee96d445021d12bcc2831a0ce2338c87f7b970b9413fe7
Markdown5b4951066bf1515ad37575d450b113d70680929b08c0d8e0c1824224423c6036
PDF
Publication page94e34ac04aa4e9cc0dc9f313d810746343a650f3efb5bad9ca821a3d09a9f05e
Manifestbd2b294b470f5d30019b7a65149ee23a21180cf167d38383a71a9c5f82ab4ca5

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
Signatureiwte4nwtrTlesgpGFCbyxntHVWa19KQoM0CMKv+VtmU6tnc4qPaMIhm78s4p6RNSSzUNVvw0SHUQyY0Zz3bSAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:13.759579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007615
observed 94e34ac04aa4e9cc0dc9f313d8107463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.742054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007615/manifest.json
observed bd2b294b470f5d30019b7a65149ee23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.723861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007615/publication.md
observed 5b4951066bf1515ad37575d450b113d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.706646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007615/publication.txt
observed 6815c8b0a5d5ae2d6aee96d445021d12...
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.