OpenTechnical

OT-2026-000048729

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000048729) never changes.

Identity and time

Publication numberOT-2026-000048729 · never reused
Internal UUID01a0ae80-c32c-7a01-9ed3-e5eaf564161b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048729
StatusPUBLIC

Content hashes

Canonical textc582736564d1bcde3d68c61c9c85e567c6f7523604501aa49263b0c9a5f7efa1
Markdown273a8530d9fe636ff5d40bfd71cb802987364ece11ace73ef5a734011b512401
PDF
Publication page2b3e9110c51d712ab19b9a6fdd4a442b17b1aa4ca57e04677426bf582691d03d
Manifest248e0fa3b6d8267b7dba4b4166d9810616e27f187a410b6853f05c07493bcca3

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
SignaturehVDunlxK+kNxl//87loSI5YImXutOvZoqEf7OuGdm5klEhiioSnSlNmzz75GSRuI+1+W4Sa8kqz6N6WeaoYPDA==
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

2026-11-04T08:41:53.575478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048729
observed 2b3e9110c51d712ab19b9a6fdd4a442b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-04T08:41:53.498094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048729/manifest.json
observed 248e0fa3b6d8267b7dba4b4166d98106...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-04T08:41:53.434775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048729/publication.md
observed 273a8530d9fe636ff5d40bfd71cb8029...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-04T08:41:53.356801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048729/publication.txt
observed c582736564d1bcde3d68c61c9c85e567...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.755689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048729
observed 2b3e9110c51d712ab19b9a6fdd4a442b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.738289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048729/manifest.json
observed 248e0fa3b6d8267b7dba4b4166d98106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.719759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048729/publication.md
observed 273a8530d9fe636ff5d40bfd71cb8029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.699742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048729/publication.txt
observed c582736564d1bcde3d68c61c9c85e567...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent