OpenTechnical

OT-2026-000013430

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000013430) never changes.

Identity and time

Publication numberOT-2026-000013430 · never reused
Internal UUID01a0ae6d-6fca-778c-8753-a0f912904769 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013430
StatusPUBLIC

Content hashes

Canonical textdb60cfd01fd097480d1ef25d7a3849f8cd98334d22a9a0c980b2c888bc58346c
Markdown0986c75d835f511c6b62af811e18d00235a18de815ae1bf1b9f6d0c14f768ae2
PDF
Publication page468d7f473e22fca5f44cbd72fe6597b4b50358b7bdfff6b68a0df02b92c38e02
Manifest52fa3c5c34ba7a7c34a799ebffaa8aae4b38f822b63e3369cab7e5ada325d121

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
SignatureoFaDsNiLAdocgMr+fBYioaXAZqexwAfp3Eezwq51V4+4r9cOvYp6LYnBF+xO0ifrQlQRJpXykCdXE8gE8Q4EDg==
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

2026-09-17T12:09:54.946787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013430
observed 468d7f473e22fca5f44cbd72fe6597b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.927910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013430/manifest.json
observed 52fa3c5c34ba7a7c34a799ebffaa8aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.908586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013430/publication.md
observed 0986c75d835f511c6b62af811e18d002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.889461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013430/publication.txt
observed db60cfd01fd097480d1ef25d7a3849f8...
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.