Pith Number

pith:NSPGM7DY

pith:2010:NSPGM7DYQ4PRY3NH4CMGO4NN4R

not attested not anchored not stored refs pending

Singularity-free solutions for anisotropic charged fluids with Chaplygin equation of state

Abdul Kayum Jafry, Farook Rahaman, Kausik Chakraborty, Saibal Ray

arxiv:1007.1889 v2 · 2010-07-12 · physics.gen-ph · 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{NSPGM7DYQ4PRY3NH4CMGO4NN4R}

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	2026-05-18T04:32:46.177370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c9e667c78871f1c6da7e0986771ade468d0e1da3f2c10f26d1ead2f53137052

Aliases

arxiv: 1007.1889 · arxiv_version: 1007.1889v2 · doi: 10.48550/arxiv.1007.1889 · pith_short_12: NSPGM7DYQ4PR · pith_short_16: NSPGM7DYQ4PRY3NH · pith_short_8: NSPGM7DY

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/NSPGM7DYQ4PRY3NH4CMGO4NN4R \
  | 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: 6c9e667c78871f1c6da7e0986771ade468d0e1da3f2c10f26d1ead2f53137052

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaab35651252a5839ba2335e5e6b26667f72c298c6ccc871e81c944b4874def3",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-07-12T12:36:23Z",
    "title_canon_sha256": "28c212f8040c1e3898700b21c254a55a744deefdd3b740ee513b9259644f731d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1889",
    "kind": "arxiv",
    "version": 2
  }
}