OpenTechnical

OT-2026-000041753

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, sustained 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-2026-000041753) never changes.

Identity and time

Publication numberOT-2026-000041753 · never reused
Internal UUID01a0ae79-e8a2-7f77-9d1f-297622c1e9b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041753
StatusPUBLIC

Content hashes

Canonical textf9de4f7e740068d6a5ca32792da3c1b6eeeefb429c214950d4b597e203eb5394
Markdowna7557b274c8518b8baa709e6e3575de219fb53376de0de0e7f77d900d3ec3976
PDF
Publication pagedf65a8edbb982a5a3c0c2c1e30a3e06a456caa3e777a9306a9dd18f073f5d241
Manifestac0b25c9c5f41821f8d0122afc63a1d3dacd8bbd57aec8a01e835e2647a49210

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
Signature4DqjFEBUc0cjUopzb3bEH02ocMvpVUrkTsyhyU50LdNzUsJhLfBbovSJ3K/+hT91NrOTXBzTDI/A01yBCYfOCg==
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

2026-09-17T11:16:35.898924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041753
observed df65a8edbb982a5a3c0c2c1e30a3e06a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.881278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041753/manifest.json
observed ac0b25c9c5f41821f8d0122afc63a1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.865047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041753/publication.md
observed a7557b274c8518b8baa709e6e3575de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.848436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041753/publication.txt
observed f9de4f7e740068d6a5ca32792da3c1b6...
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.