Pith Number

pith:F6PKKYIK

pith:2013:F6PKKYIKTO5W6JXYUELPXXHFWR

not attested not anchored not stored refs pending

Galaxy Formation with local photoionisation feedback I. Methods

A. V. Macci\`o, C. Christensen, G. S. Stinson, J. F. Hennawi, J. Wadsley, R. Kannan, R. Woods, S. Cantalupo, S. Shen, T. Robitaille, T. R. Quinn

arxiv:1310.6748 v2 · 2013-10-24 · astro-ph.GA · 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{F6PKKYIKTO5W6JXYUELPXXHFWR}

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	2026-05-18T03:05:37.388730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f9ea5610a9bbb6f26f8a116fbdce5b46f5308cff33d9c99e5750b787e77d513

Aliases

arxiv: 1310.6748 · arxiv_version: 1310.6748v2 · doi: 10.48550/arxiv.1310.6748 · pith_short_12: F6PKKYIKTO5W · pith_short_16: F6PKKYIKTO5W6JXY · pith_short_8: F6PKKYIK

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/F6PKKYIKTO5W6JXYUELPXXHFWR \
  | 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: 2f9ea5610a9bbb6f26f8a116fbdce5b46f5308cff33d9c99e5750b787e77d513

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8baa8e0bc52571be1c5e61d7dcf155f15645dc9c4655ddc0065acff0f3b6d134",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-10-24T20:00:03Z",
    "title_canon_sha256": "9890d15b9bf7ba6b330203ff57050ef837c0a2b5edea66304a4a7a73ee0682ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6748",
    "kind": "arxiv",
    "version": 2
  }
}