Pith Number

pith:POYKEPP3

pith:2009:POYKEPP3DV2YJ5BS3MCR2YM23I

not attested not anchored not stored refs pending

Cooling of Hybrid Stars with Spin Down Compression

Kang Miao, Pan Na-Na, Wang Xiao-dong

arxiv:0909.3671 v1 · 2009-09-21 · 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{POYKEPP3DV2YJ5BS3MCR2YM23I}

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	2026-05-18T02:34:29.438786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bb0a23dfb1d7584f432db051d619ada035750f6aa07824d33bbf5d64c1ad4e6

Aliases

arxiv: 0909.3671 · arxiv_version: 0909.3671v1 · doi: 10.48550/arxiv.0909.3671 · pith_short_12: POYKEPP3DV2Y · pith_short_16: POYKEPP3DV2YJ5BS · pith_short_8: POYKEPP3

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/POYKEPP3DV2YJ5BS3MCR2YM23I \
  | 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: 7bb0a23dfb1d7584f432db051d619ada035750f6aa07824d33bbf5d64c1ad4e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7370f43fe1a4e04ec4f9097572b9fa4927a157cd80608400372b684c02d7b83",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-21T01:59:59Z",
    "title_canon_sha256": "ad37c77302e8b610569f919de06fb8978bb5e3518711a320105dc24defb2ca99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3671",
    "kind": "arxiv",
    "version": 1
  }
}