OpenTechnical

OT-2026-000102923

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000102923) never changes.

Identity and time

Publication numberOT-2026-000102923 · never reused
Internal UUID01a0aea4-be3c-7318-86b9-8c2f74eb2575 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102923
StatusPUBLIC

Content hashes

Canonical texte3f38daa174144db96ec81d362024bd55711739937f368d2d0c7671d6a9964f2
Markdownca21c958e78b004f518449e19efedbb0da9abd1944bea617e628114f1af0ea94
PDF
Publication page0b7c74ca6f2494c117e37208047babf285634a3b53f8329bb535010f1fa77e64
Manifestb5a7b03d63aecc8ebd8f0c6d7df1867f99b1b9b97667651ab789928dc4bbc960

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
Signaturekz52Jg/mW6B5z79PXCLoFvjtneFW9DwfOHqG1c/ozJz9NxXQp6I2CiCvwOGqkYGaGee4MI95/x5bEO/Qar5ZBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:01.336978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102923
observed 0b7c74ca6f2494c117e37208047babf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:01.014409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102923/manifest.json
observed b5a7b03d63aecc8ebd8f0c6d7df1867f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:56.402421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102923/publication.md
observed ca21c958e78b004f518449e19efedbb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:56.383773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102923/publication.txt
observed e3f38daa174144db96ec81d362024bd5...
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.