Pith Number

pith:NAMM75FB

pith:2005:NAMM75FBWH5KX7EVU3WPVL2UMV

not attested not anchored not stored refs pending

Toward an understanding of the periastron puzzle of PSR B1259-63

R. X. Xu (PKU)

arxiv:astro-ph/0502388 v3 · 2005-02-19 · astro-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{NAMM75FBWH5KX7EVU3WPVL2UMV}

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	2026-05-18T02:40:25.807964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6818cff4a1b1faabfc95a6ecfaaf54656131fdf79da585c79d580eaaa246ace9

Aliases

arxiv: astro-ph/0502388 · arxiv_version: astro-ph/0502388v3 · doi: 10.48550/arxiv.astro-ph/0502388 · pith_short_12: NAMM75FBWH5K · pith_short_16: NAMM75FBWH5KX7EV · pith_short_8: NAMM75FB

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/NAMM75FBWH5KX7EVU3WPVL2UMV \
  | 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: 6818cff4a1b1faabfc95a6ecfaaf54656131fdf79da585c79d580eaaa246ace9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf60db207d047e4c84a7cb23640d17fd72a01de82aebb58c77180031dea0a932",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-19T14:50:03Z",
    "title_canon_sha256": "18a36a4ff9bd1e8caf5be4b7feb0138916c9800597f3b422292fb4dea8930653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502388",
    "kind": "arxiv",
    "version": 3
  }
}