OpenTechnical

OT-2026-000038932

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000038932) never changes.

Identity and time

Publication numberOT-2026-000038932 · never reused
Internal UUID01a0ae78-769f-7559-95ed-0b8edc123e61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038932
StatusPUBLIC

Content hashes

Canonical text09f9e168a24340094303d46d928e300a31ab6892f42d71defa2bcd35eeab1286
Markdown40c2e8e71c09462625694ec4b29801686317c2e99ad834238669e1277f48501b
PDF
Publication page92f4bda40deec6ca91498d91d83f30294ff016e7983982f77fa6fabd3ef0670b
Manifest6fa6d763441a0f1b6b588c5bf739b1183a7126f63f02d52f9a180ba42de30ce1

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
SignaturegVvtjJsJC+dG1UePNlT8f8q9GLs2LyRl/dBorvfDj/QpTuhZRzkoJze60DqJ0Jmtl6Gt2t/L0ZnNX2w4XDBSCw==
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

2026-09-17T11:22:12.005645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038932
observed 92f4bda40deec6ca91498d91d83f3029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:11.986525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038932/manifest.json
observed 6fa6d763441a0f1b6b588c5bf739b118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:11.967623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038932/publication.md
observed 40c2e8e71c09462625694ec4b2980168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:11.950059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038932/publication.txt
observed 09f9e168a24340094303d46d928e300a...
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.