OpenTechnical

OT-2026-000019693

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000019693) never changes.

Identity and time

Publication numberOT-2026-000019693 · never reused
Internal UUID01a0ae6f-1fb3-747a-b667-ff66daa2a27c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019693
StatusPUBLIC

Content hashes

Canonical textba868380e30d1efe8bd4d2eea3851738e0108af01757919edd7be8ad3db818c8
Markdown6ec54cb7fa42146bf7b486344c8c64fabf2bb9a4f45ebd39f548de36cdacf4c5
PDF
Publication pageeccf2a6af1c6125dafec1158e023e2d7d3ef8f0302e1907766f4bc98f031f9fd
Manifestda64e9aa5814d0fe9a9aa15d0dcafc53552ab26c9f04878acc3dc68631060bc4

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
SignatureHdfJhJIU2793v88cRa5YeZfpi7qdPXwp5NkmoxCHcBQKPB67Y4uknpSK5JCJj24ZFlkbAZxLw3YZXXwS6voFBg==
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

2026-09-17T11:57:46.381911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019693
observed eccf2a6af1c6125dafec1158e023e2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.365136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019693/manifest.json
observed da64e9aa5814d0fe9a9aa15d0dcafc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.347086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019693/publication.md
observed 6ec54cb7fa42146bf7b486344c8c64fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.329954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019693/publication.txt
observed ba868380e30d1efe8bd4d2eea3851738...
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.