Pith Number

pith:KD3WP63K

pith:2009:KD3WP63KMW7ZXQ2MZNATDUY5DF

not attested not anchored not stored refs pending

A very rare triple-peaked type-I X-ray burst in the low-mass X-ray binary 4U 1636-53

Diego Altamirano, Guobao Zhang, Jeroen Homan, Mariano Mendez, Tomaso M.Belloni

arxiv:0905.4809 v1 · 2009-05-29 · 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{KD3WP63KMW7ZXQ2MZNATDUY5DF}

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	2026-05-18T02:13:30.843570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50f767fb6a65bf9bc34ccb4131d31d196da233d30022b83559f98282c3f371ad

Aliases

arxiv: 0905.4809 · arxiv_version: 0905.4809v1 · doi: 10.48550/arxiv.0905.4809 · pith_short_12: KD3WP63KMW7Z · pith_short_16: KD3WP63KMW7ZXQ2M · pith_short_8: KD3WP63K

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/KD3WP63KMW7ZXQ2MZNATDUY5DF \
  | 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: 50f767fb6a65bf9bc34ccb4131d31d196da233d30022b83559f98282c3f371ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5de92cd620dd5f54509bbf7c1401f9f451e113e80d8c29da2376bf37660eb095",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-05-29T09:03:52Z",
    "title_canon_sha256": "7ab5bf38f17875730c125c0d36e53f949e162de22ea56a43d51a8042c77b163a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4809",
    "kind": "arxiv",
    "version": 1
  }
}