OpenTechnical

OT-2026-000044219

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000044219) never changes.

Identity and time

Publication numberOT-2026-000044219 · never reused
Internal UUID01a0ae7b-d67b-779c-bd03-6c8240a11e4a · 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-2026-000044219
StatusPUBLIC

Content hashes

Canonical text3c39ac039049134b030ade21fc48a5f06a3b81196675b5f1215fcd96dcf47ab8
Markdownacaa91884b72d31d1e63d9e75bf0a3f73a3bc28e0b7493c9147abb75d2cbe307
PDF
Publication page0561ff080355da2fb6a43d678b66794fd09f3adc81c47d04ebf274de0e9257b3
Manifestaa54184f29b15ad2b7439d8e1b4b12e5894b0b8be0f7ad47206c172866227e91

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
SignatureESldzX8G8GaT2OgTHVP1NCou2p/SKyL2pEVXZ46Ds2j86eyNJMzttbD1ZgXYO+LNxNaMaXRKwBzZUpI8QW4pBQ==
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

2026-09-17T11:12:46.624735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044219
observed 0561ff080355da2fb6a43d678b66794f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.604002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044219/manifest.json
observed aa54184f29b15ad2b7439d8e1b4b12e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.583267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044219/publication.md
observed acaa91884b72d31d1e63d9e75bf0a3f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.565197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044219/publication.txt
observed 3c39ac039049134b030ade21fc48a5f0...
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.