Pith Number

pith:I7ATDN5R

pith:2010:I7ATDN5RPMIZ7IBIFUWSUHZWVF

not attested not anchored not stored refs pending

NGC 404, A Rejuvenated Lenticular Galaxy on a Merger-Induced, Blueward Excursion into the Green Valley

Armando Gil de Paz, Barry F. Madore, Christopher D. Martin, David A. Thilker, David Schiminovich, Karl Forster, Luciana Bianchi, Mark Seibert, Patrick Morrissey, Peter Friedman, R. Michael Rich, Sukyoung Yi, Susan Neff, Ted Wyder, Tim Conrow, Todd Small, Tom Barlow

arxiv:1003.4985 v1 · 2010-03-25 · 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{I7ATDN5RPMIZ7IBIFUWSUHZWVF}

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	2026-05-18T02:08:22.866288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47c131b7b17b119fa0282d2d2a1f36a95ae249ee0c496790e7a8c4e8ad1e2e67

Aliases

arxiv: 1003.4985 · arxiv_version: 1003.4985v1 · doi: 10.48550/arxiv.1003.4985 · pith_short_12: I7ATDN5RPMIZ · pith_short_16: I7ATDN5RPMIZ7IBI · pith_short_8: I7ATDN5R

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/I7ATDN5RPMIZ7IBIFUWSUHZWVF \
  | 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: 47c131b7b17b119fa0282d2d2a1f36a95ae249ee0c496790e7a8c4e8ad1e2e67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d8c09927bf7297363e501ca867d98dc8e7b3506083f12deac8dc8630fc8f6f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-25T20:00:04Z",
    "title_canon_sha256": "3b435ccef937a484cfb6acc2f53c26a0c2d762c3b2c1dac41d75a2f219baf982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4985",
    "kind": "arxiv",
    "version": 1
  }
}