Pith Number

pith:QH2F7MI6

pith:2025:QH2F7MI63YSX7FD5NM6NYEWCUP

not attested not anchored not stored refs pending

Fluctuations in email size modeled using a gamma-like distribution

Yoshitsugu Matsubara

arxiv:2506.03500 v1 · 2025-06-04 · physics.soc-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{QH2F7MI63YSX7FD5NM6NYEWCUP}

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	2026-07-05T11:15:28.806905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81f45fb11ede257f947d6b3cdc12c2a3c029ad727b741ca43755d1666da2fc65

Aliases

arxiv: 2506.03500 · arxiv_version: 2506.03500v1 · doi: 10.48550/arxiv.2506.03500 · pith_short_12: QH2F7MI63YSX · pith_short_16: QH2F7MI63YSX7FD5 · pith_short_8: QH2F7MI6

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/QH2F7MI63YSX7FD5NM6NYEWCUP \
  | 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: 81f45fb11ede257f947d6b3cdc12c2a3c029ad727b741ca43755d1666da2fc65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2666c0bd0fe515d1ec03de78c0da10a837cb219f511a6a05d62e89d32d7d6941",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2025-06-04T02:29:49Z",
    "title_canon_sha256": "8404eb20dc8352f0cd2ac5b2e9e7d74e1b336afac5deabc6df5a81e0a34a2a97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.03500",
    "kind": "arxiv",
    "version": 1
  }
}