OpenTechnical

OT-2026-000032688

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000032688) never changes.

Identity and time

Publication numberOT-2026-000032688 · never reused
Internal UUID01a0ae75-1070-719c-953b-64896342d52b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032688
StatusPUBLIC

Content hashes

Canonical text8f752ab3b3079bed8f982c9b854108cbeb9dfa8e2af180b46bb284605305a52c
Markdown4b99992bce9d4b08337f496fa5e59f9bf23a85b49afdf652715cc76cebd44a20
PDF
Publication pagee4484b67688b9785018b7c7f81dd5c2bddad4e5015ccf46cbe303979fcb576d2
Manifest897bc24afb3f90ab902178ca9ef4f253db79e32fe6fc44eb5a90622058647b91

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
Signature9qr3o5NU/esIXWJPMpp/iL4zG6VxCGDNcoxQbFWPJTrKQVm4GIoupSGi7U0LbQJ41IZWNVzIGRmvskIn2wYnDQ==
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

2026-09-17T11:34:17.796432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032688
observed e4484b67688b9785018b7c7f81dd5c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.778940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032688/manifest.json
observed 897bc24afb3f90ab902178ca9ef4f253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.761857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032688/publication.md
observed 4b99992bce9d4b08337f496fa5e59f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.728400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032688/publication.txt
observed 8f752ab3b3079bed8f982c9b854108cb...
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.