OpenTechnical

OT-2026-000044048

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000044048) never changes.

Identity and time

Publication numberOT-2026-000044048 · never reused
Internal UUID01a0ae7b-d679-7d09-99c8-d96eea7d1ff7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044048
StatusPUBLIC

Content hashes

Canonical textc9242556731249bb4dbda4ce75d2ec5d2ec02ec12b2401ce79cf2e611ff50e4c
Markdown2da0fb6d85edf7e5aa796bbd5c5656ddf6f6b3f23d71182b600efc84f5e60aab
PDF
Publication page34f9d1e2ae3184b44fee4df193c509e612a1fd6aad3b71322007dde388a7471a
Manifestf6ac8ba30ac3935e3d054e83ca976b15b926820b4bd12450d16c88a4c3a2b2b1

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
Signature/9pLVh3JS3MmA/+XK++TMQA/uGJIFmfC3PQGNBRBECGBy/cUpLs8379JHbXtCWl76aoelFD5WNfVHXPYdl4MAA==
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

2026-09-17T11:12:26.488824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044048
observed 34f9d1e2ae3184b44fee4df193c509e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:26.457448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044048/manifest.json
observed f6ac8ba30ac3935e3d054e83ca976b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:26.437752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044048/publication.md
observed 2da0fb6d85edf7e5aa796bbd5c5656dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:26.406113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044048/publication.txt
observed c9242556731249bb4dbda4ce75d2ec5d...
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.