Pith Number

pith:SPEORKBL

pith:2021:SPEORKBLYWWQJRZ3F5M7B3KOKI

not attested not anchored not stored refs pending

Incompressibility and Symmetry Energy of Neutron Star

Ankit Kumar, H. C. Das, S. K. Patra

arxiv:2105.07721 v3 · 2021-05-17 · nucl-th · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPEORKBLYWWQJRZ3F5M7B3KOKI}

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	2026-07-05T03:34:56.512518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c8e8a82bc5ad04c73b2f59f0ed4e5215809265410d02912a610ed3cc85e07a

Aliases

arxiv: 2105.07721 · arxiv_version: 2105.07721v3 · doi: 10.48550/arxiv.2105.07721 · pith_short_12: SPEORKBLYWWQ · pith_short_16: SPEORKBLYWWQJRZ3 · pith_short_8: SPEORKBL

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/SPEORKBLYWWQJRZ3F5M7B3KOKI \
  | 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: 93c8e8a82bc5ad04c73b2f59f0ed4e5215809265410d02912a610ed3cc85e07a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65b9ce0b4841b24b972449713c503a48dcf2d4939f0f40b30f1210f021bd7194",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2021-05-17T10:40:34Z",
    "title_canon_sha256": "5e7bb580e62cd25139e82d5f303a8459cb40b1d168c8a2dfb16139ce9bbfeeb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07721",
    "kind": "arxiv",
    "version": 3
  }
}