OpenTechnical

OT-2026-000011026

Publication integrity record

Foam pad vacuum gripper, 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-2026-000011026) never changes.

Identity and time

Publication numberOT-2026-000011026 · never reused
Internal UUID01a0ae6c-540e-7aea-8f7c-01daf3ecc35a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011026
StatusPUBLIC

Content hashes

Canonical text943efebe7055fe8253cb8277bceafbb0e517e239ee6244e983e9ee4dd2706658
Markdownfc0545233e5341cf063efc832cbf33b0bd3c824b1ff122cb21c0698665899afe
PDF
Publication page3c4cea18d6c03b6c59c95f7bf24659d02f6b75d4b5373dfec80a5fcad5ce4121
Manifest872732d6ea83e8739f990e0c56a03db7c004d373b7d6dd56fae94304949be630

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
SignatureaWsFZt1Yg28golegK59wvgz7W8NgRNGd/IpzphxhBL4+rkcQQRJwyOeX863yDGDijlf9egPhNbxO43lgx5IfDw==
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

2026-09-17T12:13:51.048176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011026
observed 3c4cea18d6c03b6c59c95f7bf24659d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.028217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011026/manifest.json
observed 872732d6ea83e8739f990e0c56a03db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:50.985344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011026/publication.md
observed fc0545233e5341cf063efc832cbf33b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:50.963055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011026/publication.txt
observed 943efebe7055fe8253cb8277bceafbb0...
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.