Pith Number

pith:LN6474K5

pith:2010:LN6474K54NE43EMEVOU36YUCCX

not attested not anchored not stored refs pending

Direct detection of galaxy stellar halos : NGC 3957 as a test case

A.M.N Ferguson, F. Courbin, M. Tafelmeyer, P. Jablonka

arxiv:1001.3067 v2 · 2010-01-18 · 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{LN6474K54NE43EMEVOU36YUCCX}

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	2026-05-18T02:09:42.972568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b7dcff15de349cd9184aba9bf628215f4f13916500a8e4103ab2501f5cceaf9

Aliases

arxiv: 1001.3067 · arxiv_version: 1001.3067v2 · doi: 10.48550/arxiv.1001.3067 · pith_short_12: LN6474K54NE4 · pith_short_16: LN6474K54NE43EME · pith_short_8: LN6474K5

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/LN6474K54NE43EMEVOU36YUCCX \
  | 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: 5b7dcff15de349cd9184aba9bf628215f4f13916500a8e4103ab2501f5cceaf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85f029f9a6bf5d154eea30c11cfd5a678044e18490b0a6bb6684630962b3022b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-18T14:42:21Z",
    "title_canon_sha256": "0ec21c70a2407ffbb6e5fab71532b1c6793614b7a5de96b4d2599cf7eafbf878"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3067",
    "kind": "arxiv",
    "version": 2
  }
}