OpenTechnical

OT-2026-000050195

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000050195) never changes.

Identity and time

Publication numberOT-2026-000050195 · never reused
Internal UUID01a0ae82-5c45-7412-b3c3-70a24806ffc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050195
StatusPUBLIC

Content hashes

Canonical textac3e66d1a822f448d45e03471bed404f4afec3322d0853d868d153931f2ceb5e
Markdown8367c1112b0456f7a639daaa8e59f0fdd1e6364498b78fb256a1ead0babe29ba
PDF
Publication page395574b50e7fe68f24e3ccfb58d02edb67cf71c28698e8fc43edad5399839601
Manifestfb7c02875c9c38bfd4ccaa97ac9a5396142e2de57299360c027ec8ce0e461fd8

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
SignaturepZJQp/x/mLh74dagHTS5/LF2estq7Q5SaHFF4dcOQo2/g92pIkgVQsO84G3Wlsmc4eOT+azyUXuktcMpnGTeAA==
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

2026-09-17T11:01:10.901486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050195
observed 395574b50e7fe68f24e3ccfb58d02edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.884423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050195/manifest.json
observed fb7c02875c9c38bfd4ccaa97ac9a5396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.868172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050195/publication.md
observed 8367c1112b0456f7a639daaa8e59f0fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.850736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050195/publication.txt
observed ac3e66d1a822f448d45e03471bed404f...
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.