OpenTechnical

OT-2026-000011881

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000011881) never changes.

Identity and time

Publication numberOT-2026-000011881 · never reused
Internal UUID01a0ae6d-1942-7456-aacb-44adf78edf6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011881
StatusPUBLIC

Content hashes

Canonical textb9e78b5ecbe58225ecbfa88f19d3adda1958bc886763aa64855489a232daecb4
Markdownd3fe70cd235f87a8b40928348b7a358b8a1eb6868c6da6def2e82600d1f3d036
PDF
Publication pagee647dc9dd7d8a6671d53c1dc8270ff431fb45c4a27c6fa7f79dc182605c5b2b4
Manifeste53c958629679d40835bf3798de567390f1b8e039f80da5efa6c58780efcd85a

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
Signature1D/vJs3BlLI9WupiolUewRDWgizpgyQRT6fOR4hr/uQNr8mLcv4X48EZU3jZKVXShhngOjxXvXYVAqPFvxrUAA==
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

2026-09-17T12:12:37.972513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011881
observed e647dc9dd7d8a6671d53c1dc8270ff43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.953380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011881/manifest.json
observed e53c958629679d40835bf3798de56739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.935765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011881/publication.md
observed d3fe70cd235f87a8b40928348b7a358b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.917195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011881/publication.txt
observed b9e78b5ecbe58225ecbfa88f19d3adda...
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.