Pith Number

pith:FDD3CB2H

pith:2019:FDD3CB2HTMRPE7TLLRY2PYNSDQ

not attested not anchored not stored refs pending

Cooling timescale for protoneutron stars and properties of nuclear matter: Effective mass and symmetry energy at high densities

Hideyuki Suzuki, Ken'ichiro Nakazato

arxiv:1905.00014 v1 · 2019-04-30 · astro-ph.HE · 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{FDD3CB2HTMRPE7TLLRY2PYNSDQ}

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	2026-05-17T23:42:58.248245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28c7b107479b22f27e6b5c71a7e1b21c24aab9b6d75a4b3921b82360033843a1

Aliases

arxiv: 1905.00014 · arxiv_version: 1905.00014v1 · doi: 10.48550/arxiv.1905.00014 · pith_short_12: FDD3CB2HTMRP · pith_short_16: FDD3CB2HTMRPE7TL · pith_short_8: FDD3CB2H

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/FDD3CB2HTMRPE7TLLRY2PYNSDQ \
  | 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: 28c7b107479b22f27e6b5c71a7e1b21c24aab9b6d75a4b3921b82360033843a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f65a2ebddc2a1593f9cd4c202cee7b6c29d52d0e36c58a5e37270b3556be6dc1",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-30T18:00:00Z",
    "title_canon_sha256": "baea3670ae9510b3c76ac1297c32a4aeaed717bb0969824d440a283018650b14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00014",
    "kind": "arxiv",
    "version": 1
  }
}