Pith Number

pith:MWLSTJIA

pith:2003:MWLSTJIAONKLGFVDVG4XQYQB44

not attested not anchored not stored refs pending

The Star Formation History of Galaxies Measured from Individual Pixels. I. The Hubble Deep Field North

Alberto Conti, Alex S. Szalay, Andrew J. Connolly, Andrew M. Hopkins, Carla Adams, Istvan Csabai, Nada Petrovic, Samuel J. Schmidt, Tamas Budavari

arxiv:astro-ph/0307470 v1 · 2003-07-27 · 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{MWLSTJIAONKLGFVDVG4XQYQB44}

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	2026-07-04T16:51:21.762691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

659729a5007354b316a3a9b9786201e71a7204b74ea3ad707ca68189f64229e9

Aliases

arxiv: astro-ph/0307470 · arxiv_version: astro-ph/0307470v1 · doi: 10.48550/arxiv.astro-ph/0307470 · pith_short_12: MWLSTJIAONKL · pith_short_16: MWLSTJIAONKLGFVD · pith_short_8: MWLSTJIA

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/MWLSTJIAONKLGFVDVG4XQYQB44 \
  | 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: 659729a5007354b316a3a9b9786201e71a7204b74ea3ad707ca68189f64229e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63416735ccafba44a5b58fd0cac4eb945d6c4cff60fd93657ae829e764f0a41f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-27T19:14:08Z",
    "title_canon_sha256": "81f9828461c6b4e5a19baed160b29ab3985c5028313d87ede41aa4b6d01d8680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307470",
    "kind": "arxiv",
    "version": 1
  }
}