Pith Number

pith:EKHESDH7

pith:2026:EKHESDH7VCK3XR6FL5ET7YX6PH

not attested not anchored not stored refs pending

Quantifying the Information Gain from Future High-Precision Radius Measurements for Identifying Twin Neutron Stars

Bao-An Li, Xavier Grundler

arxiv:2607.18124 v1 · 2026-07-20 · astro-ph.HE · astro-ph.GA · astro-ph.SR · 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{EKHESDH7VCK3XR6FL5ET7YX6PH}

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	2026-07-21T02:22:17.863140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

228e490cffa895bbc7c55f493fe2fe79ce5b97b2140cce79af90209763d369fd

Aliases

arxiv: 2607.18124 · arxiv_version: 2607.18124v1 · doi: 10.48550/arxiv.2607.18124 · pith_short_12: EKHESDH7VCK3 · pith_short_16: EKHESDH7VCK3XR6F · pith_short_8: EKHESDH7

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/EKHESDH7VCK3XR6FL5ET7YX6PH \
  | 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: 228e490cffa895bbc7c55f493fe2fe79ce5b97b2140cce79af90209763d369fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd19216273f1d0115e7d6d80cdd21bd62e049c1174e9574ddc814ab25520c9b4",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR",
      "nucl-ex",
      "nucl-th"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-20T16:19:21Z",
    "title_canon_sha256": "d8860c54fae90fe4ef74c6829775f250cf67a502fc1e8d828264f49cf9e77dcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18124",
    "kind": "arxiv",
    "version": 1
  }
}