OpenTechnical

OT-2026-000044833

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044833) never changes.

Identity and time

Publication numberOT-2026-000044833 · never reused
Internal UUID01a0ae7c-911b-75e3-9791-9826957a389c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044833
StatusPUBLIC

Content hashes

Canonical textf5d7da1b7d5268d584df59c487de684dac9a94313e663777297f47287b19d729
Markdownbc26aa82187257b109f9cb35dde8c097aba8b1a9549f817fe61b04f8da940c48
PDF
Publication page7f8cc064f4a1adefc00fb61799e1bdba2c7aa06705a92eb24779a169e32a6d69
Manifestfc20442f86a1d86f43083223b54d602f7e6ac3e67460b5ca98f43e26627efea3

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
Signature/1iu+NUfkKjXhsL/azV9QQ9kkg09FzbyZEhBXDBmIfaGNrRQyDaqxgkh84Ic5+Tr4WMET5YhRWpIjtXhqA94AA==
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

2026-09-17T11:11:28.372070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044833
observed 7f8cc064f4a1adefc00fb61799e1bdba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.354403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044833/manifest.json
observed fc20442f86a1d86f43083223b54d602f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.337971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044833/publication.md
observed bc26aa82187257b109f9cb35dde8c097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.320130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044833/publication.txt
observed f5d7da1b7d5268d584df59c487de684d...
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.