Pith Number

pith:Y4XBGJ3H

pith:2009:Y4XBGJ3H4IC3YTAWHVJWIWUBTN

not attested not anchored not stored refs pending

Compressive Inverse Scattering I. High Frequency SIMO Measurements

Albert C. Fannjiang

arxiv:0906.5405 v3 · 2009-06-30 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4XBGJ3H4IC3YTAWHVJWIWUBTN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:13:11.884886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c72e132767e205bc4c163d53645a819b4a720bd7e698618389a2382685141a18

Aliases

arxiv: 0906.5405 · arxiv_version: 0906.5405v3 · doi: 10.48550/arxiv.0906.5405 · pith_short_12: Y4XBGJ3H4IC3 · pith_short_16: Y4XBGJ3H4IC3YTAW · pith_short_8: Y4XBGJ3H

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y4XBGJ3H4IC3YTAWHVJWIWUBTN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c72e132767e205bc4c163d53645a819b4a720bd7e698618389a2382685141a18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e9abed3a95dfac2a8a3934b18dd183cd3fe35542da793d2c15c3f9c93c9a018",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-06-30T04:01:41Z",
    "title_canon_sha256": "f2deb15dd1f0952f1b5cd40cb68833efa0edd7deaf65bc53a5b1c109d4f34f8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5405",
    "kind": "arxiv",
    "version": 3
  }
}