OpenTechnical

OT-2026-000103405

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pulsed blow-off after 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-2026-000103405) never changes.

Identity and time

Publication numberOT-2026-000103405 · never reused
Internal UUID01a0aea4-e460-7701-8870-5b9dd1afcfef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103405
StatusPUBLIC

Content hashes

Canonical text504178fb83faa6a1c09ad9db0c70e7dc72d8193ce27060bbe2caf80b9e72c38c
Markdown748a480d66d2d5108f2c03ac272ef7b4b564a5f123d02470ad4ec2182ad41b26
PDF
Publication page5fa26aa7d7df48e9da684f253df5c3ad8756b98cae57860c9046d1da3daab373
Manifest052796b73e283d223d45e6ff5b9fb121a5c4148aca3830678a0ebe54ae1df913

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
SignaturensTmVwvdJnUt1AgwQq53LLKrNfrYQrfwzv/9ggdYdi7PUnSAYeyo9KLy15puUZIBwaCfnSiHJOxoEcUpSp8aBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:08.981828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103405
observed 5fa26aa7d7df48e9da684f253df5c3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.964042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103405/manifest.json
observed 052796b73e283d223d45e6ff5b9fb121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.945939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103405/publication.md
observed 748a480d66d2d5108f2c03ac272ef7b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.928230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103405/publication.txt
observed 504178fb83faa6a1c09ad9db0c70e7dc...
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.