Pith Number

pith:4SDMYDRG

pith:2025:4SDMYDRGVZEA3YMRPKX5LFYX2J

not attested not anchored not stored refs pending

Extracting more information from entropy

L. Araque, W. Barreto

arxiv:2501.02668 v4 · 2025-01-05 · hep-th · gr-qc · 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{4SDMYDRGVZEA3YMRPKX5LFYX2J}

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	2026-07-05T11:58:23.528491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e486cc0e26ae480de1917aafd59717d24b18fe5f6df853e47ceafcb4a05af1f6

Aliases

arxiv: 2501.02668 · arxiv_version: 2501.02668v4 · doi: 10.48550/arxiv.2501.02668 · pith_short_12: 4SDMYDRGVZEA · pith_short_16: 4SDMYDRGVZEA3YMR · pith_short_8: 4SDMYDRG

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/4SDMYDRGVZEA3YMRPKX5LFYX2J \
  | 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: e486cc0e26ae480de1917aafd59717d24b18fe5f6df853e47ceafcb4a05af1f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d678a2096c52ceb1c5cfcfefc7c94782c576571c6081ebc1bb3b3cef38e9f6b1",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-01-05T21:35:21Z",
    "title_canon_sha256": "6866ff51e4307efa4b3ac029983a8b8dfac40e44d9a1691593d8b70164e346d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02668",
    "kind": "arxiv",
    "version": 4
  }
}