First computed	2026-05-18T02:34:53.050272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c21efb3d4da60bc88a0013cbebe99b083a595e7688d4c255a4e1252821f2c4bd

Aliases

arxiv: 0905.3039 · arxiv_version: 0905.3039v3 · doi: 10.48550/arxiv.0905.3039

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/YIPPWPKNUYF4RCQACPF6X2M3BA \
  | 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: c21efb3d4da60bc88a0013cbebe99b083a595e7688d4c255a4e1252821f2c4bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2706783859e894d0e54b9d29dc75a68f207b61270ca272575f63993ea8fb8329",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-05-19T19:56:34Z",
    "title_canon_sha256": "b8ee3e2a17592b906d1e3b598727db17afc98c66f4effcf2df7346a8a5c63f83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3039",
    "kind": "arxiv",
    "version": 3
  }
}