OpenTechnical

OT-2026-000044336

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000044336) never changes.

Identity and time

Publication numberOT-2026-000044336 · never reused
Internal UUID01a0ae7c-39d6-701d-af49-26084938be41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044336
StatusPUBLIC

Content hashes

Canonical textef8e4944af2028c4e1a12543d22a3c5e7139ee0445773dab556e63fa7139a5fa
Markdownfeaab26e352ec8de962c64201319f3217d79a6fef923f379d1c11e8b33445838
PDF
Publication page08b2ae210176174de78b7b24d3c1df1b00614913fa7a48e532b50bd934d55f79
Manifestd34ef56b01227a93e60fd4d1ec7da61d96744b6b5370ccf30c97b69d172f26a9

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
SignatureTGcc3U62Tdxgk/KVhvS6BY+7djgoD/Sq+97g5sTvxowaAFdcIt8v3bNVLngDfWjA+is/dmhcMsfyJ1ifBTwxCA==
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

2026-09-17T08:30:23.270034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044336
observed 08b2ae210176174de78b7b24d3c1df1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:23.252673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044336/manifest.json
observed d34ef56b01227a93e60fd4d1ec7da61d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:23.236126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044336/publication.md
observed feaab26e352ec8de962c64201319f321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:23.217564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044336/publication.txt
observed ef8e4944af2028c4e1a12543d22a3c5e...
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.