OpenTechnical

OT-2026-000044989

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000044989) never changes.

Identity and time

Publication numberOT-2026-000044989 · never reused
Internal UUID01a0ae7c-911d-7b94-94a5-db075cb5bc3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044989
StatusPUBLIC

Content hashes

Canonical text19f75841b0f7cc5285725a7ce9a770cdb02786b8eb6b37541748ac3d42656feb
Markdown40a2f61b0f67594bf898f557bdf40304829e3cdf246fd0856fa1be77daf830b0
PDF
Publication pageefc3f5f478da07dabd4495acc3b82fa88d7e0c6635602c95f6b4cd073ec2d75b
Manifest0b20a6920c3b2b6b13d04bb0129833866c0b067c98d4c72622d295ab5c657af4

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
SignatureEf6TBU5K4bqqW8hdb768G9EBXC+rkceo0FT7AdWyjRiUKcR223/TviHP03KxHxaX2zhTkq6v63c2dG2DnnGVCQ==
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

2026-09-17T11:11:40.894068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044989
observed efc3f5f478da07dabd4495acc3b82fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.875689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044989/manifest.json
observed 0b20a6920c3b2b6b13d04bb012983386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.856392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044989/publication.md
observed 40a2f61b0f67594bf898f557bdf40304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.838522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044989/publication.txt
observed 19f75841b0f7cc5285725a7ce9a770cd...
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.