Pith Number

pith:RG2XP2PZ

pith:2015:RG2XP2PZ3EQZVHLJ5FVWVCKAA4

not attested not anchored not stored refs pending

The Incidence of Low-Metallicity Lyman-Limit Systems at z~3.5: Implications for the Cold-Flow Hypothesis of Baryonic Accretion

John M. O'Meara, Kathy L. Cooksey, Paul Torrey, Robert A. Simcoe, Thomas J. Cooper

arxiv:1505.06210 v2 · 2015-05-22 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RG2XP2PZ3EQZVHLJ5FVWVCKAA4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:30:24.352298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89b577e9f9d9219a9d69e96b6a89400736ffd52b0d6df7684d9fdc63a6eff6e9

Aliases

arxiv: 1505.06210 · arxiv_version: 1505.06210v2 · doi: 10.48550/arxiv.1505.06210 · pith_short_12: RG2XP2PZ3EQZ · pith_short_16: RG2XP2PZ3EQZVHLJ · pith_short_8: RG2XP2PZ

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/RG2XP2PZ3EQZVHLJ5FVWVCKAA4 \
  | 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: 89b577e9f9d9219a9d69e96b6a89400736ffd52b0d6df7684d9fdc63a6eff6e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d63ed9bd326a65d727ac002cf7f47e92b65b1b6c1fea677d5dfc97a61037d7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-22T20:01:12Z",
    "title_canon_sha256": "6abdf39e0f2d4262c86d8f6779e7ef82bf1d1940cc1ddf1af73c329c8734e307"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06210",
    "kind": "arxiv",
    "version": 2
  }
}