OpenTechnical

OT-2026-000015603

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000015603) never changes.

Identity and time

Publication numberOT-2026-000015603 · never reused
Internal UUID01a0ae6d-ef4c-7e90-b879-3fa8a9182180 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015603
StatusPUBLIC

Content hashes

Canonical text73e92c08046341a0936e7e87b491b63a1d7df38bbe721d8542b1e7baf2794839
Markdown4c4792a536f0b6989eae80164d00fcb591d1204a4a7527eb5c884e908501db2a
PDF
Publication paged3b1ec207f77c741d7a1d5373bf0970730f30d185675fc0a22b26fe109e87bc2
Manifest4a8c7315eadb6ad228880160997b26abcd74e2e959c9c5444c832752306c14ac

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
SignaturePSJzqtubEXmc4T9XLxwFgNIt9KNZvarsocx++UMQPcxC9uib9lPdtkLgMwQw6yFB+fmI6hZVW1VfnM3TXZE5DA==
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

2026-09-17T12:06:24.402509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015603
observed d3b1ec207f77c741d7a1d5373bf09707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.384764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015603/manifest.json
observed 4a8c7315eadb6ad228880160997b26ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.366996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015603/publication.md
observed 4c4792a536f0b6989eae80164d00fcb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.350176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015603/publication.txt
observed 73e92c08046341a0936e7e87b491b63a...
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.