OpenTechnical

OT-2026-000037075

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000037075) never changes.

Identity and time

Publication numberOT-2026-000037075 · never reused
Internal UUID01a0ae77-7740-7bf8-b3ab-0f5b4c142750 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037075
StatusPUBLIC

Content hashes

Canonical text3f0553f948267907d571452c21832d21618a93155ca059ae1c602daa3dd1c1ab
Markdown5a800e6ce16e8f00ada34195097b211b571496118d1da87f036f66d8933a736f
PDF
Publication page1e99839ee173dd1c2961bf109c3070658807a87d30c94ec5e5f442298e83018e
Manifest7dda7527b3f209b9e831aca37b1b565594fab531e77afcf2fbe90b73bc50ce3d

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
SignaturePsCEJGliT0v6qEkatJaBF0XChtWvjLT2WB0npbwxOfhvazfkZ3H7LvBeZjsSOicL8grmfSvSGLT7aYpARgxlDQ==
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

2026-09-17T11:24:56.290808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037075
observed 1e99839ee173dd1c2961bf109c307065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.274214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037075/manifest.json
observed 7dda7527b3f209b9e831aca37b1b5655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.258176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037075/publication.md
observed 5a800e6ce16e8f00ada34195097b211b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.241512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037075/publication.txt
observed 3f0553f948267907d571452c21832d21...
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.