OpenTechnical

OT-2026-000048400

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000048400) never changes.

Identity and time

Publication numberOT-2026-000048400 · never reused
Internal UUID01a0ae80-4de4-7b27-a110-d2c4ab4e095d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048400
StatusPUBLIC

Content hashes

Canonical text26fbeff2fdcfeacbff98ab2d8039af82769d461fd7e091109ab067046473c8c9
Markdown86f8518b5ae43e36bac4e2b9ed7c02cd163eb513eda6f0c2139ce7fce6a5899a
PDF
Publication pagee87c477f656be2d883e690e06bbb95f107b0deb6e43a99e84aba581f3c80fe31
Manifest433820be9206026fc0b19b1f0a8d7e8c0623f879fc448bc4a8236906ebe7e388

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
Signature0DP3Cu7wxqczbfsGU3x/QNHLD4DtDosickBW5LosEMOOMtPr4/FUQvLfwibHrmZUI0ZOoAUMQw1a9oFkHqS4AA==
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

2026-09-17T11:05:02.251957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048400
observed e87c477f656be2d883e690e06bbb95f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.230512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048400/manifest.json
observed 433820be9206026fc0b19b1f0a8d7e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.212296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048400/publication.md
observed 86f8518b5ae43e36bac4e2b9ed7c02cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.191301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048400/publication.txt
observed 26fbeff2fdcfeacbff98ab2d8039af82...
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.