OpenTechnical

OT-2026-000020793

Publication integrity record

Four cup vacuum gripper, four 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-2026-000020793) never changes.

Identity and time

Publication numberOT-2026-000020793 · never reused
Internal UUID01a0ae6f-65e3-70fd-80bf-584aa883b7ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020793
StatusPUBLIC

Content hashes

Canonical texta8b1e2f6c6a01174af005268284788329917eca1529e4d0bca381d704c46b0b8
Markdownc45e4145871846d5caa75ca419c2865262b1b54a92b7a90c5eaafd3707e5c3aa
PDF
Publication page500d5c4d7b0175ad7ec8e1d1dc49a5b306de321dc5488b55bb029fdb8f408174
Manifestf8268726209abd58fa1a650eba21bb0da1697df3d17b4278bdbcd649259da78c

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
Signature7lMRLtURahP4jz4jR9QXIA1DsoO8WUsdnbpllnWgWqpJGBNsmaisQAV62bBYPIF6fZSK1tw1fxM0+ib5v2heAg==
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

2026-09-17T11:55:52.645198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020793
observed 500d5c4d7b0175ad7ec8e1d1dc49a5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.627515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020793/manifest.json
observed f8268726209abd58fa1a650eba21bb0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.610147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020793/publication.md
observed c45e4145871846d5caa75ca419c28652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.593290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020793/publication.txt
observed a8b1e2f6c6a01174af00526828478832...
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.