Pith Number

pith:RFSDUA7G

pith:2012:RFSDUA7GES5HV3NIE3PYIXPYQB

not attested not anchored not stored refs pending

Survey design for Spectral Energy Distribution fitting: a Fisher Matrix approach

Eric Gawiser, Norman A. Grogin, Seong-Kook Lee, Steven J. Bickerton, Viviana Acquaviva, Yicheng Guo

arxiv:1201.1012 v2 · 2012-01-04 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RFSDUA7GES5HV3NIE3PYIXPYQB}

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	2026-05-18T01:58:57.544642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89643a03e624ba7aeda826df845df8804e2601999b4deea8f6e02e8ef28cbc5c

Aliases

arxiv: 1201.1012 · arxiv_version: 1201.1012v2 · doi: 10.48550/arxiv.1201.1012 · pith_short_12: RFSDUA7GES5H · pith_short_16: RFSDUA7GES5HV3NI · pith_short_8: RFSDUA7G

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/RFSDUA7GES5HV3NIE3PYIXPYQB \
  | 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: 89643a03e624ba7aeda826df845df8804e2601999b4deea8f6e02e8ef28cbc5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3685758092e67641f134dd4372eb903c21f0783763ec33cdcb3a7e4d05c955e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-04T21:17:44Z",
    "title_canon_sha256": "52da5b48ebf8fbc10d94006f62adea818b038e70f82eebca50ed4116446ca42b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1012",
    "kind": "arxiv",
    "version": 2
  }
}