OpenTechnical

OT-2026-000029305

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000029305) never changes.

Identity and time

Publication numberOT-2026-000029305 · never reused
Internal UUID01a0ae73-2aa1-7e18-9afb-ce5138b87924 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029305
StatusPUBLIC

Content hashes

Canonical text36f2f6148b4e24acdc2a5062d0cc4487876946c32e77a85181955168962a4ff0
Markdown7efa159403ed3cb686ba9cb3e4a4d61f61ff5293b4bc31f1648967cb059a4950
PDF
Publication pagebe226bf37448ef058bc59224e7e183482e8d25cc732ed6457e4ce1abec74e554
Manifestff134c1341fe141226bd9337f119989e088b551a693f867dea82fc675a742d18

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
Signature5vq7qcz0WcHyblVxZi89COsF2fBpUDYKzRpDt757wxBLogkcNGyx6OKVDMkU65Qh5HHi2DsA3lQBgz0wD7HjCw==
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

2026-09-17T11:39:56.671153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029305
observed be226bf37448ef058bc59224e7e18348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.653047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029305/manifest.json
observed ff134c1341fe141226bd9337f119989e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.635881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029305/publication.md
observed 7efa159403ed3cb686ba9cb3e4a4d61f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.619698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029305/publication.txt
observed 36f2f6148b4e24acdc2a5062d0cc4487...
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.