OpenTechnical

OT-2026-000100409

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000100409) never changes.

Identity and time

Publication numberOT-2026-000100409 · never reused
Internal UUID01a0aea3-66ef-7070-8d23-8b1d06ca6985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100409
StatusPUBLIC

Content hashes

Canonical text910a71db97ecd3773da84b076e86ca805ca7ea2caa92e5f7a97b9cf314b31112
Markdownc21e132160229a7d9462b53b0497cfcb978384dc513859273ae8bcf47ca47c9d
PDF
Publication page8d6edf60ff7315c599f06c6afd907073dc4b6f9dbbcd8b5c3bbc2cf12f94e314
Manifest61cf57a07b18c9a8536f76e4ad7dc87a3c2338d39b830617154b9d99670b6233

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
SignatureAmI/zSf2NOofNnAnfKmQHMUMfgbo6gcXjlq9Ip6+ck3Dp+h445PmtMc3HtRzxz3szbmT7L0vtMMH5sQ0z/L9Ag==
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

2026-09-17T09:27:08.919464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100409
observed 8d6edf60ff7315c599f06c6afd907073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.901564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100409/manifest.json
observed 61cf57a07b18c9a8536f76e4ad7dc87a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.880076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100409/publication.md
observed c21e132160229a7d9462b53b0497cfcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.860955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100409/publication.txt
observed 910a71db97ecd3773da84b076e86ca80...
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.