OpenTechnical

OT-2026-000042303

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000042303) never changes.

Identity and time

Publication numberOT-2026-000042303 · never reused
Internal UUID01a0ae7a-5d73-75e9-89e1-16c287d13061 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042303
StatusPUBLIC

Content hashes

Canonical text0e961997c03ed6ee5f82bfb1514c5471d94c9ba8918270babfe943e90caa21fb
Markdown4e1f705632fabd82e73c7c45a516b90f11cb8d1843494e8b25085923267247e4
PDF
Publication page9d99ac789c36555cde5d98f82706538d1ed2fc6a2cd01a17d011c482954b7099
Manifest229e4312bc3c968d85fda02ad163891604fc5b69539c40366903c404ad80d5c3

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
Signaturej1DjOQOACUvu21FQeM8blnktAfngVxthuV13iT8irWEYcZFshRgX5nJYQJWvdh2Mj7DyM/D/Ka3wQgjYzlpOAw==
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

2026-09-17T11:16:00.147394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042303
observed 9d99ac789c36555cde5d98f82706538d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.129082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042303/manifest.json
observed 229e4312bc3c968d85fda02ad1638916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.111104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042303/publication.md
observed 4e1f705632fabd82e73c7c45a516b90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.092547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042303/publication.txt
observed 0e961997c03ed6ee5f82bfb1514c5471...
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.