OpenTechnical

OT-2026-000023928

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000023928) never changes.

Identity and time

Publication numberOT-2026-000023928 · never reused
Internal UUID01a0ae70-aed6-7860-aaa6-a17299f4936d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023928
StatusPUBLIC

Content hashes

Canonical textb555ade855db7d9901bd93db4ba99b07dbe919d7a3e1100a9607180d8aa490db
Markdown2e63223839a2df33de5551e810497c5c8b148fc65dbb000596606604a8653646
PDF
Publication pagecff640adec58ceac2314f50c54c6d06087605cb8b879c2c367c71472b32c36d1
Manifest81269601f00c0eb031b386bee513600142f44649eccc1b0847e7d6d1db1d519e

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
Signaturempnzp9djSiHFh/M9JFXgVurTRC8Tn7svq+0bR8ukdQyaUwISul4BpXtL12ilOFLIwo3aJ6ebnkUxXdnuOwvCBw==
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

2026-09-17T11:50:33.154403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023928
observed cff640adec58ceac2314f50c54c6d060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.133542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023928/manifest.json
observed 81269601f00c0eb031b386bee5136001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.116396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023928/publication.md
observed 2e63223839a2df33de5551e810497c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.097307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023928/publication.txt
observed b555ade855db7d9901bd93db4ba99b07...
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.