Pith Number

pith:DKP2OS4J

pith:2011:DKP2OS4J6RFQIZ75AUUO7PW5SA

not attested not anchored not stored refs pending

Accretion of Chaplygin gas upon black holes: Formation of faster outflowing winds

Banibrata Mukhopadhyay (IISc), Ritabrata Biswas (JU), Subenoy Chakraborty (JU), Tarun Deep Saini (IISc)

arxiv:1101.4602 v1 · 2011-01-24 · astro-ph.CO · astro-ph.GA · astro-ph.HE · 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{DKP2OS4J6RFQIZ75AUUO7PW5SA}

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	2026-05-18T02:03:22.892234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a9fa74b89f44b0467fd0528efbedd901143f4138a03bf407f4ab1edfdb557e5

Aliases

arxiv: 1101.4602 · arxiv_version: 1101.4602v1 · doi: 10.48550/arxiv.1101.4602 · pith_short_12: DKP2OS4J6RFQ · pith_short_16: DKP2OS4J6RFQIZ75 · pith_short_8: DKP2OS4J

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/DKP2OS4J6RFQIZ75AUUO7PW5SA \
  | 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: 1a9fa74b89f44b0467fd0528efbedd901143f4138a03bf407f4ab1edfdb557e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dfd7dec91380a4dedc4dc7e359bd40104d605565d626ac96b1d9448f7cd7802",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-24T17:51:07Z",
    "title_canon_sha256": "2f02c52950fb163797548d11bf71d7ce9e8f709eab1009e71d993e15957cf946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4602",
    "kind": "arxiv",
    "version": 1
  }
}