Pith Number

pith:CP4JLXGB

pith:2017:CP4JLXGBFTDNA5524752MGBDAJ

not attested not anchored not stored refs pending

Test of the FLRW metric and curvature with strong lens time delays

Guo-Jian Wang, Kai Liao, Xi-Long Fan, Zhengxiang Li

arxiv:1704.04329 v1 · 2017-04-14 · 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{CP4JLXGBFTDNA5524752MGBDAJ}

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	2026-05-18T00:46:07.388014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13f895dcc12cc6d077bae7fba6182302574af9172a5c36236c52abdc15b73454

Aliases

arxiv: 1704.04329 · arxiv_version: 1704.04329v1 · doi: 10.48550/arxiv.1704.04329 · pith_short_12: CP4JLXGBFTDN · pith_short_16: CP4JLXGBFTDNA552 · pith_short_8: CP4JLXGB

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/CP4JLXGBFTDNA5524752MGBDAJ \
  | 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: 13f895dcc12cc6d077bae7fba6182302574af9172a5c36236c52abdc15b73454

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd951e562c6e536f34f9e3a174f8c044f5e3525577c3889daadada06910561a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-04-14T02:07:34Z",
    "title_canon_sha256": "8fe2ac0e30fe616fddc71d0ea3deb8d62d2491266ef623d0fde229986c138fb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04329",
    "kind": "arxiv",
    "version": 1
  }
}