OpenTechnical

OT-2026-000044705

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000044705) never changes.

Identity and time

Publication numberOT-2026-000044705 · never reused
Internal UUID01a0ae7c-39da-77d6-a26c-7eabd07f6a53 · 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-2026-000044705
StatusPUBLIC

Content hashes

Canonical text463b63dcc649f01b554fffe6097702510550f7c1b47bae5b63e264efeaa01bc9
Markdownee1a315d2142c14134fe4e8535b10db6ad4165c36aba89b3cc474e17960357ef
PDF
Publication pagebd109dadb54112edf63905256358768b21c3e69a9185d5c51e6ebefc2f6389ad
Manifestf7db59a4a52a7f022bea0e4c23ab6b916846a9e5602c201caa8453e30bdec6e8

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
SignatureWMSKMJ5R2dqOjvfnN4Q6tBQIx+WGDamBY5AF/tWfINnf3Xf6NMWyLxw7qTjJImLFnXcJMrsrPBhCxslB1ss5Dw==
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

2026-09-17T11:11:57.989335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044705
observed bd109dadb54112edf63905256358768b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:57.971558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044705/manifest.json
observed f7db59a4a52a7f022bea0e4c23ab6b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:57.952475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044705/publication.md
observed ee1a315d2142c14134fe4e8535b10db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:57.933549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044705/publication.txt
observed 463b63dcc649f01b554fffe609770251...
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.