OpenTechnical

OT-2026-000029397

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000029397) never changes.

Identity and time

Publication numberOT-2026-000029397 · never reused
Internal UUID01a0ae73-5e20-7abc-98c9-9b007bdb5622 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029397
StatusPUBLIC

Content hashes

Canonical text30e81f83c910c037b44deeaa2b1747137e3cc4bd5667b32383025b668d85891a
Markdownb385f88280d17467e3f01765d1fcf17dc33a78f89757de8c8f252fff914c914b
PDF
Publication pagea16e2b9910f717a5c6340879a4d0f18a3e33506f0b2e821710b1629a11d72c6d
Manifest6f4e86e7ed655b8cd7d118d9ead63f722da43f469066e5d2f1fe8eb8b3a0febf

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
Signature1tPWF/H2i8aAPOcumeyUxV+3/tRjEqUp7eIJ3uVP3bKsztdZeThBRXx+s2wfu5UtTwgYnvHKTOIGtiKuw9bjDQ==
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

2026-09-17T11:38:58.163972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029397
observed a16e2b9910f717a5c6340879a4d0f18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:58.146902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029397/manifest.json
observed 6f4e86e7ed655b8cd7d118d9ead63f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:58.129877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029397/publication.md
observed b385f88280d17467e3f01765d1fcf17d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:58.110771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029397/publication.txt
observed 30e81f83c910c037b44deeaa2b174713...
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.