OpenTechnical

OT-2026-000025512

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000025512) never changes.

Identity and time

Publication numberOT-2026-000025512 · never reused
Internal UUID01a0ae71-5fa8-7da7-b766-0bfc696d3d40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025512
StatusPUBLIC

Content hashes

Canonical text744f2b07dc5030d6d0edc00576b97cc5897e09de7bb2d08c09a513a29ee55953
Markdown207c5b02e7d3a4a438cec233171250ed40776096ea0dbb09895a3953ac7b0ecb
PDF
Publication page8c495b925f837c051abbf4c26e442fcab1355dc348d75d54c32888fbfd43caca
Manifeste9f3aaba20f5079f28a695f45873fdc7c006295d955e9fa6304fbb19c2cbefa6

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
SignatureKfcl1r8fm37hZIyx1XqCfsraTSoxde2/s178jP6PKOh11VWiDRpzw5Q2CHLvf2Ln2mAT1Adfr4nI2gm9bj2kAQ==
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

2026-09-17T11:47:38.678417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025512
observed 8c495b925f837c051abbf4c26e442fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.648654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025512/manifest.json
observed e9f3aaba20f5079f28a695f45873fdc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.628465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025512/publication.md
observed 207c5b02e7d3a4a438cec233171250ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.608609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025512/publication.txt
observed 744f2b07dc5030d6d0edc00576b97cc5...
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.