Pith Number

pith:EQQWOOBO

pith:2006:EQQWOOBOBKN4MIGA37RFJRZWXV

not attested not anchored not stored refs pending

Chandra Observations of SDSS J1004+4112: Constraints on the Lensing Cluster and Anomalous X-Ray Flux Ratios of the Quadruply Imaged Quasar

C. R. Keeton, D. E. Eisenstein, D. P. Schneider, E. L. Turner, F. J. Castander, G. T. Richards, J. A. Frieman, K. Mitsuda, M. Oguri, N. Inada, N. Ota, P. B. Hall, R. C. Nichol, R. Fujimoto, T. Minezaki, W. N. Brandt, Y. Suto, Y. Yoshii

arxiv:astro-ph/0601700 v3 · 2006-01-31 · 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{EQQWOOBOBKN4MIGA37RFJRZWXV}

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	2026-07-04T15:19:39.477499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

242167382e0a9bc620c0dfe254c736bd73a3ccbba9e8fce701b29dde44618498

Aliases

arxiv: astro-ph/0601700 · arxiv_version: astro-ph/0601700v3 · doi: 10.48550/arxiv.astro-ph/0601700 · pith_short_12: EQQWOOBOBKN4 · pith_short_16: EQQWOOBOBKN4MIGA · pith_short_8: EQQWOOBO

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/EQQWOOBOBKN4MIGA37RFJRZWXV \
  | 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: 242167382e0a9bc620c0dfe254c736bd73a3ccbba9e8fce701b29dde44618498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40d1c488be9e0e684327cc3532ece1529ec5749120b25fbf82aef1a219e76e91",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-31T03:05:17Z",
    "title_canon_sha256": "e2fc5d66203b7154f3bb7955f124c0a5df53b05b440228621bcdd1320e2d5a3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601700",
    "kind": "arxiv",
    "version": 3
  }
}