Pith Number

pith:LR7ZDX7B

pith:2014:LR7ZDX7BYHXQNWZTQE65ORACCK

not attested not anchored not stored refs pending

A Comparison of Cosmological Models Using Time Delay Lenses

(2) University of Arizona), Fulvio Melia (2) ((1) Purple Mountain Observatory, Jun-Jie Wei (1), Xue-Feng Wu (1)

arxiv:1405.2388 v1 · 2014-05-10 · 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{LR7ZDX7BYHXQNWZTQE65ORACCK}

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	2026-05-18T01:43:15.484541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c7f91dfe1c1ef06db33813dd74402128cf5683a99c12cd77d86c315bfb0725f

Aliases

arxiv: 1405.2388 · arxiv_version: 1405.2388v1 · doi: 10.48550/arxiv.1405.2388 · pith_short_12: LR7ZDX7BYHXQ · pith_short_16: LR7ZDX7BYHXQNWZT · pith_short_8: LR7ZDX7B

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/LR7ZDX7BYHXQNWZTQE65ORACCK \
  | 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: 5c7f91dfe1c1ef06db33813dd74402128cf5683a99c12cd77d86c315bfb0725f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf99ee15b74745e5d816158a5d6ab7f3dbca0b43d5a52242b4502a88c25be439",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-05-10T04:35:15Z",
    "title_canon_sha256": "6afb780376b027d07f5adec85d238f67ec7871185f7c8924c27991bc920920a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2388",
    "kind": "arxiv",
    "version": 1
  }
}