Pith Number

pith:4UPIJNOJ

pith:2012:4UPIJNOJ5EEUPUXYUT3WJEOFGK

not attested not anchored not stored refs pending

Central Density Dependent Anisotropic Compact Stars

Farook Rahaman, Mehedi Kalam, Saibal Ray, Sk. Monowar Hossein

arxiv:1301.0271 v1 · 2012-12-27 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UPIJNOJ5EEUPUXYUT3WJEOFGK}

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	2026-05-18T01:52:22.188456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e51e84b5c9e90947d2f8a4f76491c532a64a7bbcb6eeee3d008427a7fda1bc43

Aliases

arxiv: 1301.0271 · arxiv_version: 1301.0271v1 · doi: 10.48550/arxiv.1301.0271 · pith_short_12: 4UPIJNOJ5EEU · pith_short_16: 4UPIJNOJ5EEUPUXY · pith_short_8: 4UPIJNOJ

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/4UPIJNOJ5EEUPUXYUT3WJEOFGK \
  | 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: e51e84b5c9e90947d2f8a4f76491c532a64a7bbcb6eeee3d008427a7fda1bc43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "151cd4e61742e63f0f81d4e729616e1ba3ab63497b93f80278b801feed446594",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2012-12-27T05:23:41Z",
    "title_canon_sha256": "77cfd59f59530449390f7e9c937f833a03bfb44bb7096221f49b493c15ea0e46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0271",
    "kind": "arxiv",
    "version": 1
  }
}