Pith Number

pith:EF2CNYGC

pith:2017:EF2CNYGCJCBHFXDV4JSCDVJD36

not attested not anchored not stored refs pending

Environmental screening of dark matter haloes in $f(R)$ gravity

Baojiu Li (ICC, Difu Shi (ICC, Durham), ICC, Jiaxin Han (Kavli, U Tokyo

arxiv:1702.03940 v2 · 2017-02-13 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EF2CNYGCJCBHFXDV4JSCDVJD36}

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	2026-05-18T00:45:25.676546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

217426e0c2488272dc75e26421d523dfa623779628d1b9ffad2add283767571b

Aliases

arxiv: 1702.03940 · arxiv_version: 1702.03940v2 · doi: 10.48550/arxiv.1702.03940 · pith_short_12: EF2CNYGCJCBH · pith_short_16: EF2CNYGCJCBHFXDV · pith_short_8: EF2CNYGC

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/EF2CNYGCJCBHFXDV4JSCDVJD36 \
  | 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: 217426e0c2488272dc75e26421d523dfa623779628d1b9ffad2add283767571b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f0b871f86c0336e8cc164c1dbe5bd3e381e1e1fd258ad71244013b8faa3b70",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-02-13T19:00:09Z",
    "title_canon_sha256": "4dfc9db1c095af97cdccf199cd51a344c7dac3ed2fe0384caed415ac1a51eaef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03940",
    "kind": "arxiv",
    "version": 2
  }
}