OpenTechnical

OT-2026-000084613

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, sustained 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-2026-000084613) never changes.

Identity and time

Publication numberOT-2026-000084613 · never reused
Internal UUID01a0ae98-e25b-789d-b20e-06eac8e58536 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084613
StatusPUBLIC

Content hashes

Canonical text3422d88ef5a4f40216753d503feeb36feff9644e591b772b212d0c1f26827196
Markdown9d67fd16ba82c2a7870e4a763574f92ce4a2bd2194bff352d6e6bf9a810f2c46
PDF
Publication page46a20992af478d8e74dce598f47b83dd2a85b8adc8ea536aabb28e87c94a412d
Manifest4df7679970c2794cccdd407d15bb0a12631c3a30a5d79f5dc41bbfda1be40e92

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
SignatureaWl+BooDUeIJRpqwSt2y/A0NMVmpRwxlqxW1E+2r8PYhgmhVOAUDPDUk1VSjPk18UremNF5YpuIXgHUnlpwPBA==
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

2026-09-17T09:55:31.436466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084613
observed 46a20992af478d8e74dce598f47b83dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.418555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084613/manifest.json
observed 4df7679970c2794cccdd407d15bb0a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.399618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084613/publication.md
observed 9d67fd16ba82c2a7870e4a763574f92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.379804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084613/publication.txt
observed 3422d88ef5a4f40216753d503feeb36f...
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.