OpenTechnical

OT-2026-000025042

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000025042) never changes.

Identity and time

Publication numberOT-2026-000025042 · never reused
Internal UUID01a0ae71-2728-7085-8e77-c543dc792f85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025042
StatusPUBLIC

Content hashes

Canonical texta22cb1ac2ca27aa345ae3c025d50208fd5e9ecd50d912817899a73e89c7d6a08
Markdown6ccdadabc5bf33c2db99bdf8f0c542d500ac7dabbde24d33cfdbf9d22576cfc2
PDF
Publication page52ffa6807c71899cf58781dd8742784491163c9408e29d719d2210eeccf1bf4d
Manifestc10b03f21739aaf7b17384aba9eb45bc4817d943ac4005db6c990f25df44a55c

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
Signature1XUdJnB9oAjtvqy84AvIcLNn7gfQKnB66AkI/GYGsRAKZI43cx2cife0w1tg3AWRBXZecj1X5JIz1L7y6E0kBQ==
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

2026-09-17T11:48:26.895178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025042
observed 52ffa6807c71899cf58781dd87427844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.875619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025042/manifest.json
observed c10b03f21739aaf7b17384aba9eb45bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.855348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025042/publication.md
observed 6ccdadabc5bf33c2db99bdf8f0c542d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.833306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025042/publication.txt
observed a22cb1ac2ca27aa345ae3c025d50208f...
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.