OpenTechnical

OT-2026-000005509

Publication integrity record

Porous face vacuum gripper, per zone isolation, six outlet manifold, ejector fed, open cell

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-2026-000005509) never changes.

Identity and time

Publication numberOT-2026-000005509 · never reused
Internal UUID01a0a93b-5c4c-7cdf-a02e-82ead678c24c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:00:34.894621Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005509
StatusPUBLIC

Content hashes

Canonical textbc398f3b2725cda2c14942b05e98d331734da29705bf045d0975d9b8b14f2160
Markdown0c8b6ba31968727082d2e7dc4611d78eabe18b8686594574dc9310cbed213d73
PDF
Publication paged1e415c874c9c0b944dcaeb2164912a50c802ec7fc8fbdf6b4cdf0a2b88a85e8
Manifestcce28bc7a545205b7d3cd346b32fcea9a716f88a77a4c246b11647291ab3daa7

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
SignaturebJbycaCCYl9T/97eJP7M8jYPNbXP59ZQ07Ucp5p4a2zCLb1oCOozDMOKiEtPiKxQwOpV0wQhTIFuYkWYrT9jBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:32.473912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005509
observed d1e415c874c9c0b944dcaeb2164912a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:32.462160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005509/manifest.json
observed cce28bc7a545205b7d3cd346b32fcea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:32.449847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005509/publication.md
observed 0c8b6ba31968727082d2e7dc4611d78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:32.436718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005509/publication.txt
observed bc398f3b2725cda2c14942b05e98d331...
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.