OpenTechnical

OT-2026-000019080

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000019080) never changes.

Identity and time

Publication numberOT-2026-000019080 · never reused
Internal UUID01a0ae6e-d523-7ed0-8e05-02a9dc1c5768 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019080
StatusPUBLIC

Content hashes

Canonical text1031e4610f77e9e4edb4076e05b9c226017b903eb78a8d196f35f1730ad0b05a
Markdown12a158e765d7b0a07383e5046843f7698101b89aca040cb4a83b3febe5d3e547
PDF
Publication pageb3163224979b3882b3f5431baaaff0d0c1aacab31708d7a3d466be6018c7a97e
Manifest0600ef29b12ec71db338174feb269fdaceda8333b358f88137286fe5986b5791

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
SignatureaBmIzmqFrs+yMTyyoWQT1HVtDVPt3GZQy7WBEoeZbY77GRbBvtO/FKQ0lQFzdR/8TbksLisbdKihdS8Rd2T8BQ==
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

2026-09-17T11:59:47.013113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019080
observed b3163224979b3882b3f5431baaaff0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:46.994395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019080/manifest.json
observed 0600ef29b12ec71db338174feb269fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:46.975600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019080/publication.md
observed 12a158e765d7b0a07383e5046843f769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:46.956419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019080/publication.txt
observed 1031e4610f77e9e4edb4076e05b9c226...
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.