Pith Number

pith:7PKOPOVC

pith:2012:7PKOPOVCGT4CPBYUEZXOAI4DQC

not attested not anchored not stored refs pending

Links Between Z Sources and Atoll Sources

H.-K. Chang, J. Wang

arxiv:1211.0102 v1 · 2012-11-01 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PKOPOVCGT4CPBYUEZXOAI4DQC}

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	2026-05-18T01:53:27.164468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbd4e7baa234f8278714266ee0238380b32873bba67ef52af5e657b6e647cd6c

Aliases

arxiv: 1211.0102 · arxiv_version: 1211.0102v1 · doi: 10.48550/arxiv.1211.0102 · pith_short_12: 7PKOPOVCGT4C · pith_short_16: 7PKOPOVCGT4CPBYU · pith_short_8: 7PKOPOVC

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/7PKOPOVCGT4CPBYUEZXOAI4DQC \
  | 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: fbd4e7baa234f8278714266ee0238380b32873bba67ef52af5e657b6e647cd6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46e0da2550233244afc81e097fdae5691c6248de9725866aa2121c1c49bf087c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-01T05:54:05Z",
    "title_canon_sha256": "de73d500ca3c8d1b57269a96e12f17d1cc7b8037caa958813ec36d6095a8b6ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0102",
    "kind": "arxiv",
    "version": 1
  }
}