OpenTechnical

OT-2026-000003681

Publication integrity record

Porous face vacuum gripper, per zone isolation, six outlet manifold, three stage ejector, contact triggered

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-2026-000003681) never changes.

Identity and time

Publication numberOT-2026-000003681 · never reused
Internal UUID01a0a90a-bac1-7c42-9f03-40da89859692 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:27.812648Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003681
StatusPUBLIC

Content hashes

Canonical text9d5a3911adc11af01c7655da40d4e91e5ac96e56df60f89b6c01cc6aa2cc7224
Markdowna5b3c9c3da7b943fc4966e320e50dadeec16783d638deefe6b47c3147272987d
PDF
Publication page6afab218624cf342768bdef6dab11b06692185e7cfb2e3d9d8959ac1368e6a37
Manifest1692d2aaeb891a5b43502c24bd9579f44fb1130ffc2ba2d003fb3d55e9993d8f

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
SignatureZ2nMni42NyU6r1H8xyzgLEoK1EyjNj8yAIGPp2m9QnMUyaMDDLCHx7VTSAIRqLhJ87NFhCcMGo9PdycY2X0kDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:10:35.942924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003681
observed 6afab218624cf342768bdef6dab11b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.928265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003681/manifest.json
observed 1692d2aaeb891a5b43502c24bd9579f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.914751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003681/publication.md
observed a5b3c9c3da7b943fc4966e320e50dade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.898189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003681/publication.txt
observed 9d5a3911adc11af01c7655da40d4e91e...
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.