Pith Number

pith:QRHF3MSU

pith:2013:QRHF3MSU5KKFER6OP25UQH3DNY

not attested not anchored not stored refs pending

Confronting brane inflation with Planck and pre-Planck data

Qing-Guo Huang, Xin Zhang, Yin-Zhe Ma

arxiv:1303.6244 v2 · 2013-03-25 · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRHF3MSU5KKFER6OP25UQH3DNY}

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	2026-05-18T03:16:20.139178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

844e5db254ea945247ce7ebb481f636e370dd712f3c98d9e46ddd59aa565ffe4

Aliases

arxiv: 1303.6244 · arxiv_version: 1303.6244v2 · doi: 10.48550/arxiv.1303.6244 · pith_short_12: QRHF3MSU5KKF · pith_short_16: QRHF3MSU5KKFER6O · pith_short_8: QRHF3MSU

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/QRHF3MSU5KKFER6OP25UQH3DNY \
  | 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: 844e5db254ea945247ce7ebb481f636e370dd712f3c98d9e46ddd59aa565ffe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bfa6d9c44eaea8f4adc714b16f6fb47bb47a218a5e13d806d3d72370976f39c",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-25T18:44:16Z",
    "title_canon_sha256": "089935b456f2c96ab6158ece4b6cdfb0e70ffd7eb1c510bb2867aa414eca78fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6244",
    "kind": "arxiv",
    "version": 2
  }
}