OpenTechnical

OT-2026-000043132

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed 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-2026-000043132) never changes.

Identity and time

Publication numberOT-2026-000043132 · never reused
Internal UUID01a0ae7b-327a-70fd-b2ca-f8d163d0c4db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043132
StatusPUBLIC

Content hashes

Canonical textf977f173d6ecc22800be8de581858d4c70b2e5da0f38fdfcacdf3c0c1bdd9d4e
Markdown1f76404a3936943b23664d0b3abcc9a83b8f99b0616d42c965ac303dbf79d097
PDF
Publication page28a511bbd80ee6d3b2822a4cd6a83865d552efaeec41f9e093292a92994326c3
Manifesta07a0c289626f9780e963e8604916415f808915f6cfe8aa456a0dff21c94b984

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
Signature31ILXUcaonSGJeRjtJao5hG10BmMlqXP+7Pstln2CAys6gFUigZI7E4ibs5TcirwRko/NxAo0RWop9Rt6JIQAg==
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

2026-09-17T11:13:33.976168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043132
observed 28a511bbd80ee6d3b2822a4cd6a83865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:33.956685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043132/manifest.json
observed a07a0c289626f9780e963e8604916415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:33.935377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043132/publication.md
observed 1f76404a3936943b23664d0b3abcc9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:33.912576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043132/publication.txt
observed f977f173d6ecc22800be8de581858d4c...
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.