OpenTechnical

OT-2026-000029268

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000029268) never changes.

Identity and time

Publication numberOT-2026-000029268 · never reused
Internal UUID01a0ae73-2aa1-7236-8735-1b457c1ccb9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029268
StatusPUBLIC

Content hashes

Canonical text8db11927f3ef620d95ceb53437a894e78f1eef2632ba8988dc1ffaddac52de2f
Markdown3d0a2a85f447d59b6c49e6a8875d443f77e5f510904e1f6c7ceb9f683279f804
PDF
Publication page4855bafda3648a10c2acfd70b1978e643f2909e5ccf23ea49ae83919efa1104f
Manifest26a0d8460eb4552ac4fbc528c5def788172ab96dbf6050bcd664754c92546e98

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
SignatureDNj2aEqEVUBxB6K6mGHylFNJf53lh1L9mP7ef55qs8krHssnNEqpLQ3ez0Ak7acLEYGzhFHe72MOZU1RIDOKCA==
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

2026-09-17T11:39:54.056286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029268
observed 4855bafda3648a10c2acfd70b1978e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.038453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029268/manifest.json
observed 26a0d8460eb4552ac4fbc528c5def788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.019093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029268/publication.md
observed 3d0a2a85f447d59b6c49e6a8875d443f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.000529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029268/publication.txt
observed 8db11927f3ef620d95ceb53437a894e7...
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.