Pith Number

pith:Q6YIM5BJ

pith:2019:Q6YIM5BJ6XDGL4GYROQAHAGV3H

not attested not anchored not stored refs pending

Anisotropic strange quark stars with a non-linear equation-of-state

\'Angel Rinc\'on, Grigoris Panotopoulos, Il\'idio Lopes

arxiv:1907.03549 v1 · 2019-07-05 · gr-qc · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6YIM5BJ6XDGL4GYROQAHAGV3H}

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	2026-05-17T23:41:14.346378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87b0867429f5c665f0d88ba00380d5d9c1631a6b0c943ac046946662d8ea118c

Aliases

arxiv: 1907.03549 · arxiv_version: 1907.03549v1 · doi: 10.48550/arxiv.1907.03549 · pith_short_12: Q6YIM5BJ6XDG · pith_short_16: Q6YIM5BJ6XDGL4GY · pith_short_8: Q6YIM5BJ

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/Q6YIM5BJ6XDGL4GYROQAHAGV3H \
  | 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: 87b0867429f5c665f0d88ba00380d5d9c1631a6b0c943ac046946662d8ea118c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f734b35230b997cf92c61ba6fe4db8ef77f7c228d434b51592ca7d531fe38334",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-07-05T10:16:33Z",
    "title_canon_sha256": "f95fea510e61cad1948a444808e7c142485d23ec36e189654f98638fc9b9e468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03549",
    "kind": "arxiv",
    "version": 1
  }
}