OpenTechnical

OT-2026-000025405

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000025405) never changes.

Identity and time

Publication numberOT-2026-000025405 · never reused
Internal UUID01a0ae71-5fa7-7f43-9806-a207a62fca67 · 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-2026-000025405
StatusPUBLIC

Content hashes

Canonical text1b0e663597c7e145c3c55768c4abe87aaab8fdb1f9c578032d958581385f1d58
Markdown3d44831ef622c791275d4121118e3966031d59520727a4eb62e735a46a3e3ed9
PDF
Publication page53498faa7a91b9f2b0d6bac5ada7c0d30b9faf1fbcebeffeb51b035235faafa7
Manifestd9886d8070e205034462199b6cd88a00185e0468fccc8fa0e1aace114541de39

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
SignaturesXkSmDt3IGrGPcT0q1KiZr27LaL02q6OcvVYXOX6VJ7CDvbIR3oxXUlRZ+RimKJOayiiltH8wX+kpAtnZ9Q4DA==
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

2026-09-17T11:47:28.593481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025405
observed 53498faa7a91b9f2b0d6bac5ada7c0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.575541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025405/manifest.json
observed d9886d8070e205034462199b6cd88a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.559128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025405/publication.md
observed 3d44831ef622c791275d4121118e3966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.543652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025405/publication.txt
observed 1b0e663597c7e145c3c55768c4abe87a...
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.