Pith Number

pith:LVJD5TYX

pith:2017:LVJD5TYXAVTXGKXLNMNTMYU7RR

not attested not anchored not stored refs pending

Could Bert, Ernie and Big Bird be 13 billion years old?

Guido Barbiellini

arxiv:1710.02446 v3 · 2017-10-04 · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LVJD5TYXAVTXGKXLNMNTMYU7RR}

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	2026-05-18T00:17:27.140196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d523ecf170567732aeb6b1b36629f8c6b5c50a429dd7907869ccc03decdbbec

Aliases

arxiv: 1710.02446 · arxiv_version: 1710.02446v3 · doi: 10.48550/arxiv.1710.02446 · pith_short_12: LVJD5TYXAVTX · pith_short_16: LVJD5TYXAVTXGKXL · pith_short_8: LVJD5TYX

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/LVJD5TYXAVTXGKXLNMNTMYU7RR \
  | 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: 5d523ecf170567732aeb6b1b36629f8c6b5c50a429dd7907869ccc03decdbbec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73dabc90ddb15df18f2d511ee1d7b316e3b7d21d837980cc2fbf2f6b47340b31",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-10-04T15:49:34Z",
    "title_canon_sha256": "f48098eff651e955f2461c98b0e669e844f51815ea68eee85a777b67b7aafe0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02446",
    "kind": "arxiv",
    "version": 3
  }
}