Pith Number

pith:L6E7EAEO

pith:2012:L6E7EAEO4XQQLN56LHLUBCW7DF

not attested not anchored not stored refs pending

Making Galaxies in a Cosmological Context: The Need for Early Stellar Feedback

((1) MPIA, (2) UAMadrid, (3) McMaster, (4) Univ. of Washington), A. V. Macci\`o (1), C. Brook (2), G. Stinson (1), H. M. P. Couchman (3), J. Wadsley (3), T. R. Quinn (4)

arxiv:1208.0002 v2 · 2012-07-31 · 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{L6E7EAEO4XQQLN56LHLUBCW7DF}

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	2026-05-18T01:56:00.473261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f89f2008ee5e105b7be59d7408adf1952a74737d65f8eed86fb8f7bede67fac

Aliases

arxiv: 1208.0002 · arxiv_version: 1208.0002v2 · doi: 10.48550/arxiv.1208.0002 · pith_short_12: L6E7EAEO4XQQ · pith_short_16: L6E7EAEO4XQQLN56 · pith_short_8: L6E7EAEO

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/L6E7EAEO4XQQLN56LHLUBCW7DF \
  | 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: 5f89f2008ee5e105b7be59d7408adf1952a74737d65f8eed86fb8f7bede67fac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23ea961b6bdf59471e8225e50e7ecf44fe363fb00994e67b835edd58342fd964",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-31T20:00:00Z",
    "title_canon_sha256": "33bb3d123e76e84a33bdbc77f6af0db1252a378955acecd995972fb6f9eda9d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0002",
    "kind": "arxiv",
    "version": 2
  }
}