OpenTechnical

OT-2026-000006402

Publication integrity record

Bellows cup vacuum gripper, two zone face, two stage ejector, contact triggered on the face

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-2026-000006402) never changes.

Identity and time

Publication numberOT-2026-000006402 · never reused
Internal UUID01a0a95a-0145-76d5-9e42-c9ec1261db26 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:34:03.208831Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006402
StatusPUBLIC

Content hashes

Canonical textcd3abb29f1f31459b565b2dec9ffc525f9b77d051fa1bc39c711bfc074b8ad9b
Markdowne64d11c40cdde5db95a163a57527923da72dea4c217fff69c61a0df830098e10
PDF
Publication page208bd9242d2e33beda5fae2de4f0681f8ff2b75b797d811450afa5cc5c899588
Manifest5af657229eb521837f2b5ab148135f13ea1ce342b33694983c50491c9dcb1cb6

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
Signaturedzw3EAtSXAgR5T5lRDShD2hAfwy8Dyy1oW+yos9AWRDyqxy2OqgASY58R7B1w4ZYpvWMSfw/UgP1ZzUQ/ybtAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:21.652497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006402
observed 208bd9242d2e33beda5fae2de4f0681f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:21.639862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006402/manifest.json
observed 5af657229eb521837f2b5ab148135f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:21.625293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006402/publication.md
observed e64d11c40cdde5db95a163a57527923d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:21.491167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006402/publication.txt
observed cd3abb29f1f31459b565b2dec9ffc525...
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.