OpenTechnical

OT-2026-000022880

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000022880) never changes.

Identity and time

Publication numberOT-2026-000022880 · never reused
Internal UUID01a0ae70-46eb-79b1-94af-e0a45faba4ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022880
StatusPUBLIC

Content hashes

Canonical text2fcf0bcb71a22b4ae073170aeca179ebab2e265dcd68503e06e2c915433c8266
Markdownb37732aa0e06c43c54c572f6775984fdb39f8e6e696042795747497694965fd7
PDF
Publication page483d404848a4157653c4206fded6df799ef2dc1d65633a994e3a4f80a8266f51
Manifest0f5794c23655affabdd3ee8204173511f5d84fae003a5676942d77bb37cb2d6d

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
SignatureTq4V4+jRUMCVAGCCw9wpI0YkNnq9b/RGSgLe2SbGjITD5Kez3vUmrOMrU4nPehInn6Krsdh2r0rtsDvFm4I+CQ==
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

2026-09-17T11:52:26.718171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022880
observed 483d404848a4157653c4206fded6df79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.698640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022880/manifest.json
observed 0f5794c23655affabdd3ee8204173511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.676367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022880/publication.md
observed b37732aa0e06c43c54c572f6775984fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:26.656715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022880/publication.txt
observed 2fcf0bcb71a22b4ae073170aeca179eb...
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.