Pith Number

pith:4XKFOV3I

pith:2013:4XKFOV3I5LFQCUUAKJSADXQEWN

not attested not anchored not stored refs pending

Constraints on Modified Gravity from ACT and SPT

Alessandro Melchiorri, Andrea Marchini, Luca Pagano, Valentina Salvatelli

arxiv:1302.2593 v2 · 2013-02-11 · 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{4XKFOV3I5LFQCUUAKJSADXQEWN}

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	2026-05-18T03:26:22.524522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5d4575768eacb015280526401de04b37e0f13a5b11311390c71e170f41fb864

Aliases

arxiv: 1302.2593 · arxiv_version: 1302.2593v2 · doi: 10.48550/arxiv.1302.2593 · pith_short_12: 4XKFOV3I5LFQ · pith_short_16: 4XKFOV3I5LFQCUUA · pith_short_8: 4XKFOV3I

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/4XKFOV3I5LFQCUUAKJSADXQEWN \
  | 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: e5d4575768eacb015280526401de04b37e0f13a5b11311390c71e170f41fb864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50a731b9b1dc4e552e00f5b6a7bec5987a8dc9d45d3336b5808aaf44dad92422",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-11T20:04:53Z",
    "title_canon_sha256": "0e40c459dc56c21c53de7c4245b2250c793c0ac6ab9ed1866a7befeb1070718b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2593",
    "kind": "arxiv",
    "version": 2
  }
}