OpenTechnical

OT-2026-000038124

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000038124) never changes.

Identity and time

Publication numberOT-2026-000038124 · never reused
Internal UUID01a0ae77-f88b-7a7b-ae4c-3a23b9049cec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038124
StatusPUBLIC

Content hashes

Canonical textd8fb344216ddf7e02101222b8278181b928e5f4aa68f547b77385e0acf7ff984
Markdownb79d106061e52f3d88c69204e131e16e2de3a64236d46057383770f80d2e6e00
PDF
Publication page8f6f67848453b637223242764677a4d58a81d9494baad6d05620a5b13c995750
Manifestb5b60d6ac13d39997287a960a0ae5eb53e863439ee9dfda0de259487fbe52e08

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
SignatureoiafQvsiILzUuGt1qkfZZg5RJg8Uio4kPwhY9fbt80YiI1TTIJm5INdf+XLbSA2UeJtRrPeFj/+Prk6BL/lhAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:28.006246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038124
observed 8f6f67848453b637223242764677a4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.985012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038124/manifest.json
observed b5b60d6ac13d39997287a960a0ae5eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.967085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038124/publication.md
observed b79d106061e52f3d88c69204e131e16e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.949519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038124/publication.txt
observed d8fb344216ddf7e02101222b8278181b...
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.