Pith Number

pith:XPNF7GA2

pith:2003:XPNF7GA2MFNHTVSPIKQBEY6PRT

not attested not anchored not stored refs pending

A calibration map for Wide Field Imager photometry

A. Koch, E. K. Grebel, J. A. R. Caldwell, M. Odenkirchen

arxiv:astro-ph/0310301 v1 · 2003-10-10 · 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{XPNF7GA2MFNHTVSPIKQBEY6PRT}

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	2026-07-04T16:37:31.467171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbda5f981a615a79d64f42a01263cf8cea9eb3252443d6743f9ec9e31ff6d131

Aliases

arxiv: astro-ph/0310301 · arxiv_version: astro-ph/0310301v1 · doi: 10.48550/arxiv.astro-ph/0310301 · pith_short_12: XPNF7GA2MFNH · pith_short_16: XPNF7GA2MFNHTVSP · pith_short_8: XPNF7GA2

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/XPNF7GA2MFNHTVSPIKQBEY6PRT \
  | 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: bbda5f981a615a79d64f42a01263cf8cea9eb3252443d6743f9ec9e31ff6d131

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9032a6e4e05420c11989aef2884fd6f08ddae9e1be4ae737ccb6954ef019f288",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-10T17:04:23Z",
    "title_canon_sha256": "dcc40559b4b2d0d917696250978369469fa6d189ab54232ee6a83d8de2690fbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310301",
    "kind": "arxiv",
    "version": 1
  }
}