Pith Number

pith:YXFRUGRV

pith:2013:YXFRUGRV6ME56Y2BBMTCTHU6F6

not attested not anchored not stored refs pending

An accurate bound on tensor-to-scalar ratio and the scale of inflation

Anupam Mazumdar, Sayantan Choudhury

arxiv:1306.4496 v3 · 2013-06-19 · hep-ph · astro-ph.CO · gr-qc · 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{YXFRUGRV6ME56Y2BBMTCTHU6F6}

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	2026-05-18T02:55:04.160787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5cb1a1a35f309df63410b26299e9e2f8ce9df96aca364750fb05a66ce95b3cf

Aliases

arxiv: 1306.4496 · arxiv_version: 1306.4496v3 · doi: 10.48550/arxiv.1306.4496 · pith_short_12: YXFRUGRV6ME5 · pith_short_16: YXFRUGRV6ME56Y2B · pith_short_8: YXFRUGRV

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/YXFRUGRV6ME56Y2BBMTCTHU6F6 \
  | 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: c5cb1a1a35f309df63410b26299e9e2f8ce9df96aca364750fb05a66ce95b3cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33eeddb16c9584d3b44966d7f509559b76ade1e9138338aa60db2256a89be704",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2013-06-19T11:31:43Z",
    "title_canon_sha256": "6bd8e3d20bcde3cdb5b4f034b1f041dfc196592acd0ffb7f0b530d2b146156d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4496",
    "kind": "arxiv",
    "version": 3
  }
}