OpenTechnical

OT-2026-000054988

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000054988) never changes.

Identity and time

Publication numberOT-2026-000054988 · never reused
Internal UUID01a0ae86-5e80-735e-a4fa-63726f7b7865 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054988
StatusPUBLIC

Content hashes

Canonical textf21adca4a9b4aa8e264eb1985cabdca7d5766aa43abb4d54ba2b938b00153ee8
Markdown69bca02aac88381696bfeee82c31877da496c963c5f91ee1d43e82b6a41fcffe
PDF
Publication page44a3f537008eb1998752cd5e062e0ccd465974560a58f0a98d99ba2e430f94b2
Manifestc949e1ecbe07eeda7a52a08eb2bb386098c37a3e5ad7aa640394d1e38732d367

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
SignatureeddIma/1G4u3OrPXOYvzesMWaiENCjEp18m5osh1BdHaJ9hcy8gnSgp6Gz5GhyxfK6ff4sXljIunneR0C0UqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:06.818935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054988
observed 44a3f537008eb1998752cd5e062e0ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:06.800148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054988/manifest.json
observed c949e1ecbe07eeda7a52a08eb2bb3860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:06.782120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054988/publication.md
observed 69bca02aac88381696bfeee82c31877d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:06.764894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054988/publication.txt
observed f21adca4a9b4aa8e264eb1985cabdca7...
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.