OpenTechnical

OT-2026-000044533

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000044533) never changes.

Identity and time

Publication numberOT-2026-000044533 · never reused
Internal UUID01a0ae7c-39d8-79c1-9092-cb9f9b3925f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044533
StatusPUBLIC

Content hashes

Canonical text502e05c1465036b1bb12bb4a71a1022fe6a38230fbc77c0e108408fefd53f051
Markdownf8e3059626e41d81e3233c56ca17902876a92fbba911faf01f30cea07ab16da7
PDF
Publication pageb6c63cb324807c3037366aeaf506b75bc68d4cc7db0f5e135488bb4b859466f6
Manifest204086c2a5c059f689f8995991ead9a3100544be5a3a93abd68bfa58d16e3923

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
SignatureJ4RdHwi2SgOSYlD+mpLJAMpn2PmeoZhRbxCyF0IpR36X9vDAhNS6xI3I17VsRHtMZ1KST+y5Fb5MWj/60h1IAg==
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

2026-09-17T11:11:42.920857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044533
observed b6c63cb324807c3037366aeaf506b75b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.903130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044533/manifest.json
observed 204086c2a5c059f689f8995991ead9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.885459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044533/publication.md
observed f8e3059626e41d81e3233c56ca179028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:42.867692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044533/publication.txt
observed 502e05c1465036b1bb12bb4a71a1022f...
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.