Pith Number

pith:SEEE575H

pith:2015:SEEE575HTBJ4BA7DZXRAKVGQLB

not attested not anchored not stored refs pending

Cluster gas fraction as a test of gravity

Baojiu Li (ICC, Durham), Jian-hua He (INAF), Liang Gao (NAOC & ICC

arxiv:1508.07366 v1 · 2015-08-28 · 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{SEEE575HTBJ4BA7DZXRAKVGQLB}

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	2026-05-18T01:23:55.617980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91084effa79853c083e3cde20554d05876449cfbe772162e92c29e85f3dfa010

Aliases

arxiv: 1508.07366 · arxiv_version: 1508.07366v1 · doi: 10.48550/arxiv.1508.07366 · pith_short_12: SEEE575HTBJ4 · pith_short_16: SEEE575HTBJ4BA7D · pith_short_8: SEEE575H

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/SEEE575HTBJ4BA7DZXRAKVGQLB \
  | 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: 91084effa79853c083e3cde20554d05876449cfbe772162e92c29e85f3dfa010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "309c7194ebf540f2c89be0e5c6cd16c8b9637f70a301936c42fc98aaa81764b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-08-28T22:01:38Z",
    "title_canon_sha256": "a0cb83e1019eff4ccceac762ecb550af793780851a7ca0921cf2c2b17f8bc62e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07366",
    "kind": "arxiv",
    "version": 1
  }
}