Pith Number

pith:ZG4MTNUM

pith:1993:ZG4MTNUMHGLQ5KLTD5UBJZ62H3

not attested not anchored not stored refs pending

Quark Stars in Chiral Colour Dielectric Model

Pradip K. Sahu, Sanjay K. Ghosh

arxiv:astro-ph/9304019 v1 · 1993-04-22 · astro-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{ZG4MTNUMHGLQ5KLTD5UBJZ62H3}

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	2026-05-18T01:40:26.724016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9b8c9b68c39970ea9731f6814e7da3ee787bffc50e9d8d99d324a4aad8b4710

Aliases

arxiv: astro-ph/9304019 · arxiv_version: astro-ph/9304019v1 · doi: 10.48550/arxiv.astro-ph/9304019 · pith_short_12: ZG4MTNUMHGLQ · pith_short_16: ZG4MTNUMHGLQ5KLT · pith_short_8: ZG4MTNUM

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/ZG4MTNUMHGLQ5KLTD5UBJZ62H3 \
  | 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: c9b8c9b68c39970ea9731f6814e7da3ee787bffc50e9d8d99d324a4aad8b4710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83f7a5d701b056feb204fde73dbf77d762786cc8b9649fd94a17853c2d2da94b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-04-22T15:08:12Z",
    "title_canon_sha256": "ecedcd64aac7991dac2b79052c393fc4f8e03ca9d3ed79bb2291d1c2b33faf51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9304019",
    "kind": "arxiv",
    "version": 1
  }
}