OpenTechnical

OT-2026-000069691

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000069691) never changes.

Identity and time

Publication numberOT-2026-000069691 · never reused
Internal UUID01a0ae90-b52c-7e68-9cb8-f08401793c81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069691
StatusPUBLIC

Content hashes

Canonical text71fa6c8f7edaaf6125f46a76b30fc3671840041ac9c1cd901e10fbfd9a9675b0
Markdown8b9ec9f7af017dacf00079aef3c950126b1291fc3b7ca887a85bb309879b177f
PDF
Publication page0193d6099445ce4afa2f1f7c32cc95db2d7fc7282e24d7a16c03b2f97d96fa40
Manifestac9e52acac326e6f42b5e29662b82f4dc161b88340502cefed3f2b89717aab0b

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
SignatureWpYQlvRJwgYFa64BnKbfNxmYzq6FF2n1MYVGd0ysOhRaV2cjyHB0agtG+8OX7WaehhV4hh7qoAWT/quJqpC+Dg==
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

2026-09-17T10:28:21.937274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069691
observed 0193d6099445ce4afa2f1f7c32cc95db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.919474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069691/manifest.json
observed ac9e52acac326e6f42b5e29662b82f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.903485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069691/publication.md
observed 8b9ec9f7af017dacf00079aef3c95012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.886645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069691/publication.txt
observed 71fa6c8f7edaaf6125f46a76b30fc367...
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.