Pith Number

pith:MR7QHVMD

pith:2014:MR7QHVMDM4HEE7K5EKCCDAEDHB

not attested not anchored not stored refs pending

Constraints on the cosmological parameters from BICEP2, Planck and WMAP

Cheng cheng, Qing-Guo Huang

arxiv:1403.7173 v2 · 2014-03-27 · astro-ph.CO · gr-qc · hep-ph · 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{MR7QHVMDM4HEE7K5EKCCDAEDHB}

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	2026-05-18T01:43:49.967440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

647f03d583670e427d5d2284218083384d114dd59c4acceb71f83545536976fb

Aliases

arxiv: 1403.7173 · arxiv_version: 1403.7173v2 · doi: 10.48550/arxiv.1403.7173 · pith_short_12: MR7QHVMDM4HE · pith_short_16: MR7QHVMDM4HEE7K5 · pith_short_8: MR7QHVMD

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/MR7QHVMDM4HEE7K5EKCCDAEDHB \
  | 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: 647f03d583670e427d5d2284218083384d114dd59c4acceb71f83545536976fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "665575016aaaa86824b85721f37b9c2a243cdceede2007894dad84bdeb7721cd",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-03-27T19:01:02Z",
    "title_canon_sha256": "9081a4d6f14cfa03961dd79b42d052b67ef1ce384be482f73e3f34ac07c07be3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7173",
    "kind": "arxiv",
    "version": 2
  }
}