OpenTechnical

OT-2026-000044252

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000044252) never changes.

Identity and time

Publication numberOT-2026-000044252 · never reused
Internal UUID01a0ae7c-39d5-7a80-979c-3de5bc065c19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044252
StatusPUBLIC

Content hashes

Canonical text3622993826c899804c00dcc4afe90e83e26d4cb56bee874201013edaa95dc21f
Markdownb4872b21b3f43da8bf9d7358e94c689b858a6341d171e53f2cfb65b14f2cb6ae
PDF
Publication page3d669815d67e17972b2b58ee8141266a5072fcc05ef746de9cf4c08e4eaf3341
Manifesteaae47788e2e95d4cc17136b431105963bb6adc1026d70b5f51f7b68ae14a889

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
Signature7+2tZRhtewmOxGhDObbh5RncfdL64El8Su6kKjqX6ibW9GoNiBMyhqX99oPQaqcPwLzpjhb2+YFXHDqpFjEsAw==
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

2026-09-17T08:30:06.835728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044252
observed 3d669815d67e17972b2b58ee8141266a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:06.817317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044252/manifest.json
observed eaae47788e2e95d4cc17136b43110596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:06.571507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044252/publication.md
observed b4872b21b3f43da8bf9d7358e94c689b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:06.555659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044252/publication.txt
observed 3622993826c899804c00dcc4afe90e83...
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.