Pith Number

pith:2R2TCKSJ

pith:2015:2R2TCKSJMKLFFZO7FIJIBLNRT4

not attested not anchored not stored refs pending

Simulating the Carbon Footprint of Galactic Halos

Joshua Suresh, Kate H. R. Rubin, Lars Hernquist, Simeon Bird

arxiv:1512.02221 v2 · 2015-12-07 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2R2TCKSJMKLFFZO7FIJIBLNRT4}

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	2026-05-18T01:05:45.665542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d475312a49629652e5df2a1280adb19f2390ae6878487ff1dd219877974bb381

Aliases

arxiv: 1512.02221 · arxiv_version: 1512.02221v2 · doi: 10.48550/arxiv.1512.02221 · pith_short_12: 2R2TCKSJMKLF · pith_short_16: 2R2TCKSJMKLFFZO7 · pith_short_8: 2R2TCKSJ

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/2R2TCKSJMKLFFZO7FIJIBLNRT4 \
  | 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: d475312a49629652e5df2a1280adb19f2390ae6878487ff1dd219877974bb381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25b74bd4e0324be21c1007d403208e2b914b00218fc64f727439fe65cdc09ff7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-07T21:00:04Z",
    "title_canon_sha256": "70d8563cf1463301509b44cdb8339f9a7859878bd811f8df265f3d6cc0c960ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02221",
    "kind": "arxiv",
    "version": 2
  }
}