OpenTechnical

OT-2026-000030814

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000030814) never changes.

Identity and time

Publication numberOT-2026-000030814 · never reused
Internal UUID01a0ae74-3fb5-787c-ac61-df847ee0ffa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030814
StatusPUBLIC

Content hashes

Canonical textfef9ca2233b591e851890a5193c4e85892de8697755f4bdb8aa1951e7ba05937
Markdown4f2c4d9d03dd32c1eb4020d566bd490ee7dde756253a73aa7d053c2f6245c7ce
PDF
Publication pagea665fdd04ab41d71baa81b3bc43caf662dfdedb7b32f2c1e4a509db1784f27c5
Manifest5a92c9ef5dd19d5d380e4da73c1c6b241792b8893837f32ce4e6ac08a8d8e998

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
SignaturelbUAhD7bzTiMQPX8y8pQ+rKkchfYjDsgHY43k+9NhDbbpSGN9VwKm+QgPtKr6+NozKtFo5sSMZcoN3JnbHIYDA==
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

2026-09-17T11:36:47.492894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030814
observed a665fdd04ab41d71baa81b3bc43caf66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.474262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030814/manifest.json
observed 5a92c9ef5dd19d5d380e4da73c1c6b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.458487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030814/publication.md
observed 4f2c4d9d03dd32c1eb4020d566bd490e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.442041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030814/publication.txt
observed fef9ca2233b591e851890a5193c4e858...
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.