OpenTechnical

OT-2026-000029889

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold 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-2026-000029889) never changes.

Identity and time

Publication numberOT-2026-000029889 · never reused
Internal UUID01a0ae73-ac48-71b7-92f5-1b658e8a72c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029889
StatusPUBLIC

Content hashes

Canonical textd8c54bc2cb5ae4f0cc8984fad0bdf13e9716abedf061de4ba4db507e4251b24a
Markdown478c41c6e9d878e4c393a8bcebcc648b63c2359481c978892789fed412788730
PDF
Publication page6ce0ed11ba2e7166b27da12229dc6f5fdd9b5de7cb1f13ebc4a51dcb1c52008e
Manifest042dc44beaf0e63735ff973f8160920230aea39cf0f88bbcd5ffffe1ad65e7eb

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
Signaturei+k4wMWItuLt0y12QTjn2CxOtUkIoEDBJZUBGYluNb5gh6Bq4uWSN2blnsZAuHLkYCmlrDciMV1OHyYipLoACA==
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

2026-09-17T11:38:35.299610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029889
observed 6ce0ed11ba2e7166b27da12229dc6f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.283415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029889/manifest.json
observed 042dc44beaf0e63735ff973f81609202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.268486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029889/publication.md
observed 478c41c6e9d878e4c393a8bcebcc648b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.252031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029889/publication.txt
observed d8c54bc2cb5ae4f0cc8984fad0bdf13e...
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.