OpenTechnical

OT-2026-000018106

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000018106) never changes.

Identity and time

Publication numberOT-2026-000018106 · never reused
Internal UUID01a0ae6e-b487-7a5f-92fb-cf33f474ceed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018106
StatusPUBLIC

Content hashes

Canonical text47829a626d85904b32df34716b0c7662342d4a3899f695ee318ed916b0248001
Markdown4098d7f4039371062fd695ba8305b352938bfed4e7e72e0f5ed354fbb876540b
PDF
Publication page6657c86c49ca55f27c03071f060fb01bd436610d3affeeb114dfeab7ff030d18
Manifest5a51c472d7c7fc8ccc3d3c191fd333cf1022a403776a7ead5a5e5c7bbf225f27

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
SignatureP4VJAFKHp6wqRE6hmc2WAa0grtTsgAnNuu3JT8DqtSIL2lmQ5FwFZAVZyeVjs1ZM38y5Z5tqK9LOjhbbSLNOBQ==
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

2026-09-17T11:59:50.570442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018106
observed 6657c86c49ca55f27c03071f060fb01b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.551262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018106/manifest.json
observed 5a51c472d7c7fc8ccc3d3c191fd333cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.533123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018106/publication.md
observed 4098d7f4039371062fd695ba8305b352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.511809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018106/publication.txt
observed 47829a626d85904b32df34716b0c7662...
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.