OpenTechnical

OT-2026-000029538

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000029538) never changes.

Identity and time

Publication numberOT-2026-000029538 · never reused
Internal UUID01a0ae73-5e21-7384-b784-2aa81c6e3fb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029538
StatusPUBLIC

Content hashes

Canonical text3a814fcb89c9401c43a26f7c44a82a7e5fbce840baaed63dce54b489f26b294d
Markdown16d02f2da3723ad09d21bc765c6309a2b9238ec4172f96d2fffebbc20e34dd8b
PDF
Publication page7a1dfb1b770a543bcafd73e3c89731bfcb691d3411fde736549d14eda8db94cd
Manifest96ed4ed64a0c0950870545c46dd5c6232e43683121d49b904ff638be8f57f885

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
SignatureiSD+y8XMXZZvfFjrk31bG2xOD5c+1m4LWTPG5hCZLC7lC/aJNDK+Wu+VjZtSNYl4TOT7LKXHX+E+48+LNDRFBg==
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

2026-09-17T11:39:09.232657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029538
observed 7a1dfb1b770a543bcafd73e3c89731bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:09.213507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029538/manifest.json
observed 96ed4ed64a0c0950870545c46dd5c623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:09.178064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029538/publication.md
observed 16d02f2da3723ad09d21bc765c6309a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:09.146032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029538/publication.txt
observed 3a814fcb89c9401c43a26f7c44a82a7e...
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.