OpenTechnical

OT-2026-000015939

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000015939) never changes.

Identity and time

Publication numberOT-2026-000015939 · never reused
Internal UUID01a0ae6e-0c4d-775e-8733-e24ce4eb9e9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015939
StatusPUBLIC

Content hashes

Canonical text00d0094187ab1ae33af121b3a7bc3c281472a55ffa79fd02d2d2ebe93e92fe5a
Markdowne5676496759e5e875973cf697cdfbc802ea78888d5625ccc1c2d217cb9cdbfff
PDF
Publication pagec5c0df4373fd185c166543e37926644508897782c638c590dde775ef48846bdc
Manifest42d3ad7bdcd12315ce01d52f5761168f8d6b0c3cd2303f3135d7c75ca2058fe1

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
Signaturetl5lXln7PSsCqZihZT7BJXn2YRiW/mgZ87twlTN3Q8FnrXQJaczEsJ2/nXR05+SPnj/CpmnOE6ouWJ/502klCQ==
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

2026-09-17T12:05:24.766854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015939
observed c5c0df4373fd185c166543e379266445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.747319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015939/manifest.json
observed 42d3ad7bdcd12315ce01d52f5761168f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.726883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015939/publication.md
observed e5676496759e5e875973cf697cdfbc80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.706362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015939/publication.txt
observed 00d0094187ab1ae33af121b3a7bc3c28...
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.