Pith Number

pith:HFEL5O5L

pith:2014:HFEL5O5LDDVO7WMHL7QLVW5YWA

not attested not anchored not stored refs pending

It takes a supercluster to raise a galaxy

Heidi Lietzen, Maret Einasto

arxiv:1409.1854 v1 · 2014-09-05 · 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{HFEL5O5LDDVO7WMHL7QLVW5YWA}

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	2026-05-18T02:43:25.028187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3948bebbab18eaefd9875fe0badbb8b032fdee3a104565c904ee0a522008f725

Aliases

arxiv: 1409.1854 · arxiv_version: 1409.1854v1 · doi: 10.48550/arxiv.1409.1854 · pith_short_12: HFEL5O5LDDVO · pith_short_16: HFEL5O5LDDVO7WMH · pith_short_8: HFEL5O5L

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/HFEL5O5LDDVO7WMHL7QLVW5YWA \
  | 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: 3948bebbab18eaefd9875fe0badbb8b032fdee3a104565c904ee0a522008f725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15566335f6b5e36b43cc58e1d611f5c63ff74b8a8a9d1e792ad1509e94e09593",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-09-05T16:11:01Z",
    "title_canon_sha256": "7af81d2bea0a3dd967993056f84853f14e005dcde9decfac972a1ce41e831744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1854",
    "kind": "arxiv",
    "version": 1
  }
}