Pith Number

pith:KGVE46CM

pith:2011:KGVE46CMX7N6HG5XVQULSTE6RW

not attested not anchored not stored refs pending

Cosmological parameter estimation using Particle Swarm Optimization (PSO)

Astrophysics (IUCAA), Jayanti Prasad, Pune (India)), Tarun Souradeep (Inter-University Centre for Astronomy

arxiv:1108.5600 v2 · 2011-08-29 · astro-ph.CO · astro-ph.IM · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KGVE46CMX7N6HG5XVQULSTE6RW}

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	2026-05-18T03:52:12.284617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51aa4e784cbfdbe39bb7ac28b94c9e8d8e5de8d81d3f99ccecf41d2a18e75f0f

Aliases

arxiv: 1108.5600 · arxiv_version: 1108.5600v2 · doi: 10.48550/arxiv.1108.5600 · pith_short_12: KGVE46CMX7N6 · pith_short_16: KGVE46CMX7N6HG5X · pith_short_8: KGVE46CM

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/KGVE46CMX7N6HG5XVQULSTE6RW \
  | 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: 51aa4e784cbfdbe39bb7ac28b94c9e8d8e5de8d81d3f99ccecf41d2a18e75f0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c604b3adc587bc605f6cb5db6bc587e85aa3fecc11e4b9530fae244a9a27703",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-29T15:23:20Z",
    "title_canon_sha256": "57e7003d353a97308409e1994c1020d1f0df95b8fb1251874975ba270b82c4d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5600",
    "kind": "arxiv",
    "version": 2
  }
}