OpenTechnical

OT-2026-000048481

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000048481) never changes.

Identity and time

Publication numberOT-2026-000048481 · never reused
Internal UUID01a0ae80-4de5-71a4-92f9-8dd24979f53e · 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-2026-000048481
StatusPUBLIC

Content hashes

Canonical text941489cc9e1fb5509227ef8aeeda21a5a3210bacf0447c773a4fd3d50f6e4475
Markdowne15b68bb1cca9e349d319a8574351ff64c29b8f81a48102a0715b1a2ccd02d9b
PDF
Publication paged6bd4696b2b5cd45ab6671d9553cf79138e38deee969f5d5f29d6249f7901327
Manifestd04784af9d29f28dfda48ddab77583fb1a9db2c30e2e6c14612c8086fd8bc32e

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
SignatureOolivT5NBZ0BWOMsZhlkLy7UDLd9+aVcvfvdlcy/kj4acbStYKh3oZvIbbIZ8mnClhBp1+Q1qnzyVQEE8JPSAg==
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

2026-09-17T11:05:08.877892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048481
observed d6bd4696b2b5cd45ab6671d9553cf791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.858556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048481/manifest.json
observed d04784af9d29f28dfda48ddab77583fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.837881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048481/publication.md
observed e15b68bb1cca9e349d319a8574351ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.818349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048481/publication.txt
observed 941489cc9e1fb5509227ef8aeeda21a5...
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.