Pith Number

pith:FCHE7WCE

pith:2013:FCHE7WCENOSY5RJKYXHQ5IUKKS

not attested not anchored not stored refs pending

Rapid cooling of the compact star in Cassiopea A as a phase transition in dense QCD

Armen Sedrakian

arxiv:1303.5380 v3 · 2013-03-21 · 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{FCHE7WCENOSY5RJKYXHQ5IUKKS}

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	2026-05-18T03:16:49.328991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

288e4fd8446ba58ec52ac5cf0ea28a54a5bfcbd3051eb9e00b6d8849ab5611cd

Aliases

arxiv: 1303.5380 · arxiv_version: 1303.5380v3 · doi: 10.48550/arxiv.1303.5380 · pith_short_12: FCHE7WCENOSY · pith_short_16: FCHE7WCENOSY5RJK · pith_short_8: FCHE7WCE

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/FCHE7WCENOSY5RJKYXHQ5IUKKS \
  | 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: 288e4fd8446ba58ec52ac5cf0ea28a54a5bfcbd3051eb9e00b6d8849ab5611cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a78631707bbf7a1ba5d1aaf515be84cadae02efedc90bd479fc9a63a91074ca7",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-21T19:38:14Z",
    "title_canon_sha256": "7920c9562a94de19a40c0330ae18af451448b8d72fa0a344cc9a623d3aac2e7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5380",
    "kind": "arxiv",
    "version": 3
  }
}