OpenTechnical

OT-2026-000019432

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000019432) never changes.

Identity and time

Publication numberOT-2026-000019432 · never reused
Internal UUID01a0ae6e-f393-7332-83a3-348b382bbda7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019432
StatusPUBLIC

Content hashes

Canonical text264b73435ac265f7043f053fbe91e5ee287efaa61da57e5ba2df4a6f49e7e4a3
Markdown3b450027d6a8ddb8dba7f2b47743568dc9d20d660820fa376f273a97835ec80e
PDF
Publication page3ea0fdfb7a510e8dcabb137ffa956ff82284656e129db5bac0544447488ba47e
Manifestfee2da488bf762b171127cc47eb175a8c4852f04290d63557ad05567bbf428c2

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
SignatureZyhX2G6AuUO0xynvEYr/Gq658ZDIMIKqDLVVGi60PNG9Dey9wUKFoRZE4wxOo8x0Ygthz3Ju6z6G8XDd4Hx7Cg==
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

2026-09-17T11:58:49.649947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019432
observed 3ea0fdfb7a510e8dcabb137ffa956ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.617376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019432/manifest.json
observed fee2da488bf762b171127cc47eb175a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.598801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019432/publication.md
observed 3b450027d6a8ddb8dba7f2b47743568d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.567861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019432/publication.txt
observed 264b73435ac265f7043f053fbe91e5ee...
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.