Pith Number

pith:I2X2ZJBJ

pith:2021:I2X2ZJBJ5XIKKEXKJS4WMOUWVG

not attested not anchored not stored refs pending

Impact of NICER's Radius Measurement of PSR J0740+6620 on Nuclear Symmetry Energy at Suprasaturation Densities

Bao-An Li, Nai-Bo Zhang

arxiv:2105.11031 v2 · 2021-05-23 · nucl-th · astro-ph.HE · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I2X2ZJBJ5XIKKEXKJS4WMOUWVG}

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	2026-07-05T03:29:49.350611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46afaca429edd0a512ea4cb9663a96a988ce856ab9b9b009daeb37090883dfe7

Aliases

arxiv: 2105.11031 · arxiv_version: 2105.11031v2 · doi: 10.48550/arxiv.2105.11031 · pith_short_12: I2X2ZJBJ5XIK · pith_short_16: I2X2ZJBJ5XIKKEXK · pith_short_8: I2X2ZJBJ

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/I2X2ZJBJ5XIKKEXKJS4WMOUWVG \
  | 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: 46afaca429edd0a512ea4cb9663a96a988ce856ab9b9b009daeb37090883dfe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53ca59897d06890fc722be88dbab12e36f9fb06008fb3ae009a64bfc09fd01e5",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "nucl-ex"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2021-05-23T22:39:12Z",
    "title_canon_sha256": "613dddad6f19aa317dc46659ee7fbd978281ce54b58d07d39b1a540ec44b0299"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.11031",
    "kind": "arxiv",
    "version": 2
  }
}