Pith Number

pith:P7X3TZTA

pith:2000:P7X3TZTAW2LF644WCRCAUAYRIZ

not attested not anchored not stored refs pending

Investigating the structure of the accretion disk in WZ Sge from multi-wave-band, time-resolved spectroscopic observations: Paper II

D. R. Ciardi, E. Mason, S. B. Howell, S. Littlefair, V. S. Dhillon, W. Skidmore

arxiv:astro-ph/0006085 v1 · 2000-06-06 · 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{P7X3TZTAW2LF644WCRCAUAYRIZ}

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	2026-05-18T01:40:47.684182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fefb9e660b6965f739614440a031146535afa775577f6f4b72149ccca470b15

Aliases

arxiv: astro-ph/0006085 · arxiv_version: astro-ph/0006085v1 · doi: 10.48550/arxiv.astro-ph/0006085 · pith_short_12: P7X3TZTAW2LF · pith_short_16: P7X3TZTAW2LF644W · pith_short_8: P7X3TZTA

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/P7X3TZTAW2LF644WCRCAUAYRIZ \
  | 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: 7fefb9e660b6965f739614440a031146535afa775577f6f4b72149ccca470b15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91847215b1213a71a50f4290a75c068d1f5ce34ec0ab31d95659dcd945509b1c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-06T18:00:20Z",
    "title_canon_sha256": "30acd91feeee29ef597a2eb038bb886f15835c0d306d6ba39782275f825a2d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006085",
    "kind": "arxiv",
    "version": 1
  }
}