Pith Number

pith:E4CJVTJK

pith:2013:E4CJVTJKY7JNVN5ZZ6V66RUD4T

not attested not anchored not stored refs pending

Stellar mass-gap as a probe of halo assembly history and concentration: youth hidden among old fossils

Alis J. Deason (UCSC), Andrew R. Wetzel (Yale), Charlie Conroy (UCSC), Jeremy L. Tinker (NYU)

arxiv:1306.3990 v2 · 2013-06-17 · 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{E4CJVTJKY7JNVN5ZZ6V66RUD4T}

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	2026-05-18T01:49:15.998525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27049acd2ac7d2dab7b9cfabef4683e4d7bafa4efe2ba315130c3b6438c9ac91

Aliases

arxiv: 1306.3990 · arxiv_version: 1306.3990v2 · doi: 10.48550/arxiv.1306.3990 · pith_short_12: E4CJVTJKY7JN · pith_short_16: E4CJVTJKY7JNVN5Z · pith_short_8: E4CJVTJK

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/E4CJVTJKY7JNVN5ZZ6V66RUD4T \
  | 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: 27049acd2ac7d2dab7b9cfabef4683e4d7bafa4efe2ba315130c3b6438c9ac91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fefaf444eb009831a3dae8f20794dd1677e62b67ce94ce08a1b577589b24800",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-17T20:00:03Z",
    "title_canon_sha256": "69ead7f99d7720721c9e19f547ad1bb5f7a29292514eea77c103a91b59b41696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3990",
    "kind": "arxiv",
    "version": 2
  }
}