Pith Number

pith:77AWESN2

pith:2000:77AWESN2RUOX5ZVT2AL5O7VR7N

not attested not anchored not stored refs pending

What if pulsars are born as strange stars?

Bing Zhang (NASA), G.J. Qiao (PKU), R.X. Xu (PKU)

arxiv:astro-ph/0006021 v1 · 2000-06-01 · astro-ph · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77AWESN2RUOX5ZVT2AL5O7VR7N}

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	2026-05-18T02:40:36.786289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffc16249ba8d1d7ee6b3d017d77eb1fb47f9ea6e6e87c43bce55af373a4b10bc

Aliases

arxiv: astro-ph/0006021 · arxiv_version: astro-ph/0006021v1 · doi: 10.48550/arxiv.astro-ph/0006021 · pith_short_12: 77AWESN2RUOX · pith_short_16: 77AWESN2RUOX5ZVT · pith_short_8: 77AWESN2

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/77AWESN2RUOX5ZVT2AL5O7VR7N \
  | 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: ffc16249ba8d1d7ee6b3d017d77eb1fb47f9ea6e6e87c43bce55af373a4b10bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e26206880baed1a240f2848ecf885027262e7e8ad2bd635d3c2185ad4dbc08cb",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-01T16:53:34Z",
    "title_canon_sha256": "5e0de10219e36b5d21f1952e88cff7c11244745a8706db08a776a7be3e3e1887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006021",
    "kind": "arxiv",
    "version": 1
  }
}