OpenTechnical

OT-2026-000029574

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three 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-2026-000029574) never changes.

Identity and time

Publication numberOT-2026-000029574 · never reused
Internal UUID01a0ae73-5e22-7342-9036-1ef6bf34bebf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029574
StatusPUBLIC

Content hashes

Canonical textae4c00779bf3714265fd6cbb0b8d8dae661c8266b0306b4fb632d05168af702d
Markdownca6d51d4d8da7dbf5bedce26c588833248b75c4f00af030fd155006205b1eeb6
PDF
Publication paged83a4efa544b600efd97fba38bebac1d94dfa08a6c474869347efe5bfc38ae4e
Manifeste97d2483a3cd3b93f9248b75a33557ca2829c3359161d70b761595d76a9cd5ba

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
SignaturehzexfZPDwqFcP9awAo831fSVyBiHdnwf89xPel1WmJG2daVhYQwMg7fXZaUTX5YViTE0gOyXi0Hj5F6XQK1TBw==
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

2026-09-17T11:39:16.253880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029574
observed d83a4efa544b600efd97fba38bebac1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.237913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029574/manifest.json
observed e97d2483a3cd3b93f9248b75a33557ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.219895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029574/publication.md
observed ca6d51d4d8da7dbf5bedce26c5888332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.200232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029574/publication.txt
observed ae4c00779bf3714265fd6cbb0b8d8dae...
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.