Pith Number

pith:FJYKI474

pith:2015:FJYKI47445HFM4BJRLWYW77PUU

not attested not anchored not stored refs pending

Exploring the low redshift universe: two parametric models for effective pressure

Guang Yang, Keji Shen, Qiang Zhang, Qixiang Zou, Xinhe Meng

arxiv:1502.01922 v2 · 2015-02-05 · gr-qc · 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{FJYKI47445HFM4BJRLWYW77PUU}

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	2026-05-18T01:44:11.400588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a70a473fce74e5670298aed8b7fefa513ef7f5bc03ab3c6a14c843c5de3dbff

Aliases

arxiv: 1502.01922 · arxiv_version: 1502.01922v2 · doi: 10.48550/arxiv.1502.01922 · pith_short_12: FJYKI47445HF · pith_short_16: FJYKI47445HFM4BJ · pith_short_8: FJYKI474

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/FJYKI47445HFM4BJRLWYW77PUU \
  | 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: 2a70a473fce74e5670298aed8b7fefa513ef7f5bc03ab3c6a14c843c5de3dbff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d34ceba90415156889ba8692b130774ee63c5fd331501df0f54764dd5dbf0ec0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-05T15:02:23Z",
    "title_canon_sha256": "c030899cf26ed18efedbc5091b4b56a3fda19090f79fa614be3bc7da5edcff0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01922",
    "kind": "arxiv",
    "version": 2
  }
}