OpenTechnical

OT-2026-000078495

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078495) never changes.

Identity and time

Publication numberOT-2026-000078495 · never reused
Internal UUID01a0ae95-7c29-7884-967a-51bc316de779 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078495
StatusPUBLIC

Content hashes

Canonical text70598abc32850ab8c79de0a76e43675a22ee7b912c1aa5fd7d9d8d5ffbe57a17
Markdownd52028080694511b1675cb98dab9ddc633fd2a9963815485d638ebd394999496
PDF
Publication pagecf38770cfa552f4b82d5e909c68b03f7cd9ad7ff86b067ca1e5c3f56d64e4dd4
Manifest4e119d0a2838beb7557ce5f7b7f38b666db36772a943fbc641d177e83809dd8e

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
SignatureCUaxzKLkWfkZHCTsnb4CPf9spvgfSm57OFvXOQGRO7mgmcWSt+6h78qxdB1U7lVGoLxugXVMVF0rDlYD2NUVDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:30.386544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078495
observed cf38770cfa552f4b82d5e909c68b03f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.369400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078495/manifest.json
observed 4e119d0a2838beb7557ce5f7b7f38b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.351660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078495/publication.md
observed d52028080694511b1675cb98dab9ddc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.333159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078495/publication.txt
observed 70598abc32850ab8c79de0a76e43675a...
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.