OpenTechnical

OT-2026-000080501

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000080501) never changes.

Identity and time

Publication numberOT-2026-000080501 · never reused
Internal UUID01a0ae96-7e78-7b7b-a7fe-1a6c6dab7aa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080501
StatusPUBLIC

Content hashes

Canonical text577930cd7efd7e628edba3946390d2660741fbe5f491677fb21a4ef05ffbe974
Markdown5b4843341612fb938cc15c5e8e860c3133e943d253ec872809a53a9767698f1c
PDF
Publication page580f7aba4aec9c4fbb01de62c570a284b1c0718f369af536fb3dd9d7f826ea74
Manifest8ea9257f12c6d0ba0de5e43b64b7fb862426409a3c05722b11877154f702b8a2

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
SignaturedhKd28fQUBv1jTWgVy2AV3flUp+fTE32W44whfzFYcTjazTh7aLFGmXg0zheDHsjyUV4CpNnbko9mrwIwc5oAQ==
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

2026-09-17T10:03:01.320425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080501
observed 580f7aba4aec9c4fbb01de62c570a284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.303289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080501/manifest.json
observed 8ea9257f12c6d0ba0de5e43b64b7fb86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.284730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080501/publication.md
observed 5b4843341612fb938cc15c5e8e860c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.266558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080501/publication.txt
observed 577930cd7efd7e628edba3946390d266...
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.