Pith Number

pith:FSGDJ357

pith:2009:FSGDJ357VJKP32FFHMLK5U2M6A

not attested not anchored not stored refs pending

Resolved stellar mass maps of galaxies. I: method and implications for global mass estimates

(2) IAP Paris), Hans-Walter Rix (1) ((1) MPIA Heidelberg, Stefano Zibetti (1), Stephane Charlot (2)

arxiv:0904.4252 v2 · 2009-04-27 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FSGDJ357VJKP32FFHMLK5U2M6A}

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	2026-05-18T04:25:51.273088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c8c34efbfaa54fde8a53b16aed34cf011180d275856f19c4f4ecdbcada9e6af

Aliases

arxiv: 0904.4252 · arxiv_version: 0904.4252v2 · doi: 10.48550/arxiv.0904.4252 · pith_short_12: FSGDJ357VJKP · pith_short_16: FSGDJ357VJKP32FF · pith_short_8: FSGDJ357

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/FSGDJ357VJKP32FFHMLK5U2M6A \
  | 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: 2c8c34efbfaa54fde8a53b16aed34cf011180d275856f19c4f4ecdbcada9e6af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a52954b7e619a658eeef8527fe29afa39b5103b7bd752ae22d2d9b04b0216111",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-27T20:02:27Z",
    "title_canon_sha256": "04d6736735186f63e99ba1dcf9f08d02003a9a2eddcbaeb8843555bf2a6aeb2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4252",
    "kind": "arxiv",
    "version": 2
  }
}