OpenTechnical

OT-2026-000049404

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000049404) never changes.

Identity and time

Publication numberOT-2026-000049404 · never reused
Internal UUID01a0ae81-8f7b-705a-bc42-4f87266ab0c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049404
StatusPUBLIC

Content hashes

Canonical textefbffee47df677cd4277756af6cffd4edbba8bbd65e3fcaf4134d7039ac1b274
Markdownd8ca879fecc7d0e738b446991f7a0ad64b76e4b3870d7e3536c8a47478eef302
PDF
Publication page698941fb3d46950ddc12c47b83f1863f94b7d463f3b2fcd149b3183511aa1987
Manifest0c348445302e9a5d35bce468ae236c007f7dd96cc91bda64df1fae3e281ad1c0

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
SignatureTyFlYb80ZtboQU/2VA3pVBsC6uovKxtxCfILAmwrStTo2MrKL7iPaOpglL2YRxxAqnU1iKNplWCGgQ0ii3mFBg==
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

2026-09-17T11:02:13.361434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049404
observed 698941fb3d46950ddc12c47b83f1863f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.344529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049404/manifest.json
observed 0c348445302e9a5d35bce468ae236c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.326767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049404/publication.md
observed d8ca879fecc7d0e738b446991f7a0ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.309051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049404/publication.txt
observed efbffee47df677cd4277756af6cffd4e...
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.