OpenTechnical

OT-2026-000023186

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000023186) never changes.

Identity and time

Publication numberOT-2026-000023186 · never reused
Internal UUID01a0ae70-7267-7e6d-a4f5-e95226c105b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023186
StatusPUBLIC

Content hashes

Canonical text48975f5de4c00f7e1c01ed07789e88d43da12c1fd8c869be7939d3f1d6f71e52
Markdownd3c546905eb269a6dcba73dcbca4e841879276f0ca7127fedce30752f890aaca
PDF
Publication page4f61c649ee685976f6d23113e1382a6a20e8a02496547a88d2c20f1769e55efa
Manifesta10707ecdc17dbdbb595616bb9f7a264d02b2296c599888a203354c0051e86b9

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
SignaturetvQrYZVBLeF8kMpzut19pcUMvpQGZB5qik8CGVli8tnpNWim2/QJN5tfYeY19gjrpgzwu/FDyuKk4ZWobIrSBQ==
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

2026-09-17T11:51:08.056194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023186
observed 4f61c649ee685976f6d23113e1382a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.038666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023186/manifest.json
observed a10707ecdc17dbdbb595616bb9f7a264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.021169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023186/publication.md
observed d3c546905eb269a6dcba73dcbca4e841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.005014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023186/publication.txt
observed 48975f5de4c00f7e1c01ed07789e88d4...
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.