OpenTechnical

OT-2026-000069817

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000069817) never changes.

Identity and time

Publication numberOT-2026-000069817 · never reused
Internal UUID01a0ae91-185f-71c8-a98c-b65662ffc27b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069817
StatusPUBLIC

Content hashes

Canonical text70809159e776cccec06359252abcc0c696e530e3edfc8d0211c1671bfd35ceb4
Markdown2c35c79c6d5194e0205c33ace0a6b22e2163bd03b3ef80b814af03279039f74b
PDF
Publication page7ccdddf6a8cf2b1eb54d45fe3a6589eb200eb6f71692894578a4efd94a960be6
Manifestce7ee0c0293cc66ad5801aafec2435d1cbd5ca93f48b601b5dbb0d98c3a0affb

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
SignatureUJ5i9TAWqNJ/pDrsrKJtBFObffcUAcQGGkL45RlncgaJEeaZmsN6VAQ6vTz+qwAPgSOP6YWVrm1oBpm1tS+2DQ==
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

2026-09-17T10:26:38.980946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069817
observed 7ccdddf6a8cf2b1eb54d45fe3a6589eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.963707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069817/manifest.json
observed ce7ee0c0293cc66ad5801aafec2435d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.946453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069817/publication.md
observed 2c35c79c6d5194e0205c33ace0a6b22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.928810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069817/publication.txt
observed 70809159e776cccec06359252abcc0c6...
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.