Pith Number

pith:NAL4KYN7

pith:2019:NAL4KYN73ANFYGXK5XCYEYCUM7

not attested not anchored not stored refs pending

Towards a better understanding of the symmetry energy within neutron stars

C.Y. Tsang, F.J. Fattoyev, M.B. Tsang, P. Danielewicz, W.G. Lynch

arxiv:1901.07673 v1 · 2019-01-19 · nucl-ex · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NAL4KYN73ANFYGXK5XCYEYCUM7}

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	2026-05-17T23:55:41.876407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6817c561bfd81a5c1aeaedc582605467e5e456f6faf67836be84f646922d801a

Aliases

arxiv: 1901.07673 · arxiv_version: 1901.07673v1 · doi: 10.48550/arxiv.1901.07673 · pith_short_12: NAL4KYN73ANF · pith_short_16: NAL4KYN73ANFYGXK · pith_short_8: NAL4KYN7

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/NAL4KYN73ANFYGXK5XCYEYCUM7 \
  | 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: 6817c561bfd81a5c1aeaedc582605467e5e456f6faf67836be84f646922d801a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fed49693e190bcd0f1d34728f22332d3deab2ae739defe0983998c68ab54835",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2019-01-19T03:59:19Z",
    "title_canon_sha256": "57acd0ee1101eba870cc50844737560314d6e1795c67014589a74700bbc9a23a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07673",
    "kind": "arxiv",
    "version": 1
  }
}