OpenTechnical

OT-2026-000042471

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000042471) never changes.

Identity and time

Publication numberOT-2026-000042471 · never reused
Internal UUID01a0ae7a-c0cc-7ff8-bbb4-3af255170400 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042471
StatusPUBLIC

Content hashes

Canonical text2febe42692cf690b020006d27dbb831d28066956f86999a5fd4cdb882dbf6b52
Markdown942a85156927a137bada328eeb5cf3c7a4460bf418510039f1c26c902cc05476
PDF
Publication pagec3aeda82c9fd2d0f32e2081a15e931fdbd42a9b0a1a7725ee074e7e461aec8b5
Manifest30338162d57af274f03ce0bf0be35ea1730a2bc36a0bc85121187117bd414dcd

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
SignatureYwNFfoKPlB9nQk8tlsgLXFY6NzHF/MBtDIo8RrkBlEekS2oor6DV51dPgMXOrSFto0nIPslu7uDaQcnP/8LwBg==
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

2026-09-17T11:14:02.182622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042471
observed c3aeda82c9fd2d0f32e2081a15e931fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.160359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042471/manifest.json
observed 30338162d57af274f03ce0bf0be35ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.139894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042471/publication.md
observed 942a85156927a137bada328eeb5cf3c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:02.120830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042471/publication.txt
observed 2febe42692cf690b020006d27dbb831d...
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.