OpenTechnical

OT-2026-000005626

Publication integrity record

Porous face vacuum gripper, common isolation valve, ejector fed, contact triggered on the face

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-2026-000005626) never changes.

Identity and time

Publication numberOT-2026-000005626 · never reused
Internal UUID01a0a93f-6f49-785d-a7b2-35203611c08a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:05:01.900605Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005626
StatusPUBLIC

Content hashes

Canonical text62f164319643f2268ba2719488c7dd40945df0d66bd65303c009896ef0e3d754
Markdownae9c7d8bae7b5d9fb4257e77317254efebd89b561d25b5a2222903936289816a
PDF
Publication pagee15ab1b61c0855ba46bdd696baa734b936db40f292dfdb554a1b398a1cd5595c
Manifest636f7448f2c9feee88f3609ec129ca699280e4dc6b4f83409f15f9ec73f7e8d4

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
SignaturestFw7npyLHuDXoZ/hbmHqRG0CxE9JVFre2QlIV0ffW7tdf/QZbCHWUo9sSzIHwfvDCTE/XgmnznIWsoTH1PmBA==
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

2026-09-16T08:10:19.207014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005626
observed e15ab1b61c0855ba46bdd696baa734b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:19.191615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005626/manifest.json
observed 636f7448f2c9feee88f3609ec129ca69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:19.178560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005626/publication.md
observed ae9c7d8bae7b5d9fb4257e77317254ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:19.163978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005626/publication.txt
observed 62f164319643f2268ba2719488c7dd40...
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.