Pith Number

pith:W2SW4CMY

pith:2007:W2SW4CMYF7UU3424I662HPXYQN

not attested not anchored not stored refs pending

An Improved Photometric Calibration of the Sloan Digital Sky Survey Imaging Data

A. Nitta, C. Loomis, D. Johnston, D.J. Schlegel, D. Long, D.L. Tucker, D.P. Finkbeiner, D.W. Hogg, E.H. Neilsen, G.R. Knapp, H.J. Brewington, J.C. Barentine, J.E. Gunn, J. Krzesinski, M.A. Strauss, M. Harvanek, M.R. Blanton, N. Padmanabhan, R.H. Lupton, S.A. Snedden, S.J. Kleinman, S.M. Kent, S. Roweis, Z. Ivezic

arxiv:astro-ph/0703454 v2 · 2007-03-19 · 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{W2SW4CMYF7UU3424I662HPXYQN}

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.

Cited by

1 paper in Pith

Multi-Scale Contrastive Attention for Light-Curve Representation Learning

Receipt and verification

First computed	2026-07-04T15:28:41.798349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6a56e09982fe94df35c47bda3bef88379679f396053787ee0781fc90f01e4de

Aliases

arxiv: astro-ph/0703454 · arxiv_version: astro-ph/0703454v2 · doi: 10.48550/arxiv.astro-ph/0703454 · pith_short_12: W2SW4CMYF7UU · pith_short_16: W2SW4CMYF7UU3424 · pith_short_8: W2SW4CMY

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/W2SW4CMYF7UU3424I662HPXYQN \
  | 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: b6a56e09982fe94df35c47bda3bef88379679f396053787ee0781fc90f01e4de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b4f716d566536967bb30da11a380ab3cc3d8afbaa550e07c8dbf85c2103fc85",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-19T17:39:43Z",
    "title_canon_sha256": "de2b9d88d3682eff2c62ec7cacc073822ce95b131ef870ae4dd84ffa673c62ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703454",
    "kind": "arxiv",
    "version": 2
  }
}