OpenTechnical

OT-2026-000045233

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000045233) never changes.

Identity and time

Publication numberOT-2026-000045233 · never reused
Internal UUID01a0ae7c-f76a-7977-8e8e-232c72e3e257 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045233
StatusPUBLIC

Content hashes

Canonical textb787adb6e1da9547e5f7df588c0c4ee9249482f33906885214ecd4421fa53751
Markdownc8fb058160fa1f2b26397e4e16f3626cfeeee70b911600bd8220cbb72978ab78
PDF
Publication page2155770402a320da679b177d6230e5200e917a08223f478713bdfc2e5efabe42
Manifestd5da5c019c639ac86e6740d6fbe095df82f7f208bf528a6c8c885d98709985c0

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
Signature17e7I9UWZJQYaHFm0SZB7OdCGmUPXtHMr47mkpbCzxH32oxxiFQp3ZX3/LhOjIrrs3r1MDn2vXUXzJzW4ZJlAg==
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

2026-09-17T11:10:25.778476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045233
observed 2155770402a320da679b177d6230e520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.757402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045233/manifest.json
observed d5da5c019c639ac86e6740d6fbe095df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.738652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045233/publication.md
observed c8fb058160fa1f2b26397e4e16f3626c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.720761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045233/publication.txt
observed b787adb6e1da9547e5f7df588c0c4ee9...
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.