Pith Number

pith:W4HWS3MF

pith:2003:W4HWS3MFNDPVMIAUVHK5ZL62D6

not attested not anchored not stored refs pending

Helical Tomography of an Accretion Disk by Superhump Light Curves of the 2001 Outburst of WZ Sagittae

Y. Osaki

arxiv:astro-ph/0307518 v1 · 2003-07-30 · 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{W4HWS3MFNDPVMIAUVHK5ZL62D6}

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	2026-05-18T01:40:38.462483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b70f696d8568df562014a9d5dcafda1fae2b14b6fffd09e9d1c21746e411cd15

Aliases

arxiv: astro-ph/0307518 · arxiv_version: astro-ph/0307518v1 · doi: 10.48550/arxiv.astro-ph/0307518 · pith_short_12: W4HWS3MFNDPV · pith_short_16: W4HWS3MFNDPVMIAU · pith_short_8: W4HWS3MF

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/W4HWS3MFNDPVMIAUVHK5ZL62D6 \
  | 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: b70f696d8568df562014a9d5dcafda1fae2b14b6fffd09e9d1c21746e411cd15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebfb5e1e944473043249ad3d6637c0a798d63925564aee035b484ae4f5cfdd68",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-30T05:23:56Z",
    "title_canon_sha256": "8abbbc68a5663a22fcdb13444d7a874da3e2f2d39d5600248b35d325cf06a1b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307518",
    "kind": "arxiv",
    "version": 1
  }
}