OpenTechnical

OT-2026-000019834

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000019834) never changes.

Identity and time

Publication numberOT-2026-000019834 · never reused
Internal UUID01a0ae6f-1fb5-7597-a3b6-024c9a4b8840 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019834
StatusPUBLIC

Content hashes

Canonical textb7c39d06d018a4ed0aafe8d96af71ac2abb2d698f867cb3b30af5bd21825ce5d
Markdown80a7472395ba8de75166faca6e5d76977877b936c6f2738bac70599d398a08c2
PDF
Publication pagef831650d9d95fe544b975fa4da40e607e3150b0dacd9ce04186407c8657d3751
Manifest008348f4e8dbe25b057471e6defa388c2bf125669a0149ba770126ca1ebbd093

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
SignatureLGAA4DkSK+Gge2kLCA08xn5t3tPmq0RR+E50Cs1nbC1xYUKTasiy/5SWdjjBByMgvczgrZiiFBcybRiaSGtDDA==
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

2026-09-17T11:58:01.718461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019834
observed f831650d9d95fe544b975fa4da40e607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.698219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019834/manifest.json
observed 008348f4e8dbe25b057471e6defa388c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.680563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019834/publication.md
observed 80a7472395ba8de75166faca6e5d7697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.660841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019834/publication.txt
observed b7c39d06d018a4ed0aafe8d96af71ac2...
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.