OpenTechnical

OT-2026-000013735

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000013735) never changes.

Identity and time

Publication numberOT-2026-000013735 · never reused
Internal UUID01a0ae6d-8de9-7187-ac1f-36d3874872ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013735
StatusPUBLIC

Content hashes

Canonical text5668338b0bd25b39b1c6a20e540ef2f2473836010b744a16251a315881763e4a
Markdownea7ea154309bbac2ddf2a5c1ce88de3769f84f71f246c4f1f2e4e23e0a2f4fa0
PDF
Publication page9c08994cd468ecbc46a5a20e7ab67f120d5902ef14997b2a26a4670470ed3487
Manifest8755144ebafec2cc6109994fc3df6010c1e4df74ee98f1079a3c15f0a6121781

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
SignatureVP5WiprXxASAcslL4hYIKNraLb9TkCCbv1LZ1Vu59K26VOTK5JMJhWv5LIO+c5oN/XhJmoirBewlY3DUFZW8AQ==
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

2026-09-17T12:08:42.081306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013735
observed 9c08994cd468ecbc46a5a20e7ab67f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.061148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013735/manifest.json
observed 8755144ebafec2cc6109994fc3df6010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.039820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013735/publication.md
observed ea7ea154309bbac2ddf2a5c1ce88de37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.020490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013735/publication.txt
observed 5668338b0bd25b39b1c6a20e540ef2f2...
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.