OpenTechnical

OT-2026-000044040

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000044040) never changes.

Identity and time

Publication numberOT-2026-000044040 · never reused
Internal UUID01a0ae7b-d679-77e8-ac31-ed2a888f860e · 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-2026-000044040
StatusPUBLIC

Content hashes

Canonical texte7cea898da8b0724995cab123888789f069efd8bfea4bccb282b401bd15dbf2b
Markdown1d05cd16bc4a716f245b560182434e6a529fe858dd745e4f802a72e4072a7e8d
PDF
Publication page3a0e662d97bcee1d9905e3ae0afae14ba3cff65834e9e885c4a79731de15c80a
Manifestc173e5546ac646268d0c42f48d0eebf512782f698af0c896753b882e5b5df1fa

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
SignatureEYdtXHs6Mrv7UubmWqHhX4KjMXxUoqkm66isPmjE41JwtTQg1Nam5fma0E3EBrWZ8dKL3x0MeAd1jV3aloKVCQ==
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

2026-09-17T11:12:25.827029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044040
observed 3a0e662d97bcee1d9905e3ae0afae14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.805822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044040/manifest.json
observed c173e5546ac646268d0c42f48d0eebf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.787509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044040/publication.md
observed 1d05cd16bc4a716f245b560182434e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.768751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044040/publication.txt
observed e7cea898da8b0724995cab123888789f...
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.