OpenTechnical

OT-2026-000057464

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000057464) never changes.

Identity and time

Publication numberOT-2026-000057464 · never reused
Internal UUID01a0ae87-d5c8-72c1-8a93-0a04cf9391ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057464
StatusPUBLIC

Content hashes

Canonical text81b01e54075688cf6fbce3429821ed80237fea8ff3513b2d64daef7182d7f047
Markdown733e7abaf6004ab368249da38653674f1cf8184f1ed6208b8a97312f1b61e421
PDF
Publication page0ef5f309635bcbbe0144ca5367cbf3b20f5db01003d24faba8e4dbad9bc06913
Manifesta6222620f0261563a6bc6fe9af4e84dc335f351fa3988851ab15c6a098fcede5

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
SignaturepaQrM6Oo01dP1uHLJypqfbZ8U6dlH8s0RZryj5L3pq9YAAqXKfBWEPWiPi+iWv19RD6zSXKKjWDiCvd3DPyCDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:45.894044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057464
observed 0ef5f309635bcbbe0144ca5367cbf3b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:45.877887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057464/manifest.json
observed a6222620f0261563a6bc6fe9af4e84dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:45.859838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057464/publication.md
observed 733e7abaf6004ab368249da38653674f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:45.839908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057464/publication.txt
observed 81b01e54075688cf6fbce3429821ed80...
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.