OpenTechnical

OT-2026-000023485

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000023485) never changes.

Identity and time

Publication numberOT-2026-000023485 · never reused
Internal UUID01a0ae70-7269-7e86-bea2-200736cf5664 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023485
StatusPUBLIC

Content hashes

Canonical texte2066aac8a0c36d38aa0abb0eb5d0e706ae1ef96ff1a3ae266373aed48b26d94
Markdown1f17532c8ab56a76a4559b0b6e764e06354d1eb6fb95f9f79a63b8439d64a0f2
PDF
Publication pagef3c20e172582c64f988faa2bb92637df8d6ec1ae739e593ebf27f49da6d3d82e
Manifestbd9b26c18a016ada9aaac6af83c8a3c1e5c0b4af9402fee9d57cc552d7af73cb

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
SignatureJIeotlMMsdJqKFcwgy+YTxhZjKEfj5ecDJZNQ5mJyT9fcIUPWIE6MxTKzw7RXlc9UqxJR2GZSk8s+7XfOPeUDg==
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

2026-09-17T11:51:42.716929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023485
observed f3c20e172582c64f988faa2bb92637df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.697365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023485/manifest.json
observed bd9b26c18a016ada9aaac6af83c8a3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.675948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023485/publication.md
observed 1f17532c8ab56a76a4559b0b6e764e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.658102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023485/publication.txt
observed e2066aac8a0c36d38aa0abb0eb5d0e70...
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.