Pith Number

pith:VN5S7VZF

pith:2017:VN5S7VZF2AYDKY5OQXTZRHQJPB

not attested not anchored not stored refs pending

Life of \Pi

Andreas Maier, Peter Marquard

arxiv:1710.03724 v2 · 2017-10-10 · 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{VN5S7VZF2AYDKY5OQXTZRHQJPB}

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	2026-05-18T00:17:33.198874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab7b2fd725d0303563ae85e7989e097865c743e0cde03910e7f7dda7b177c3f8

Aliases

arxiv: 1710.03724 · arxiv_version: 1710.03724v2 · doi: 10.48550/arxiv.1710.03724 · pith_short_12: VN5S7VZF2AYD · pith_short_16: VN5S7VZF2AYDKY5O · pith_short_8: VN5S7VZF

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/VN5S7VZF2AYDKY5OQXTZRHQJPB \
  | 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: ab7b2fd725d0303563ae85e7989e097865c743e0cde03910e7f7dda7b177c3f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "494240d099bc8de1ea4f63cef77e175bc7ce537081bc3a580b8d816f6c1c0f8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2017-10-10T16:52:28Z",
    "title_canon_sha256": "9ed03b2dcfcf1fe729e709cc020b5706217e125141779692d45a53aff5f0c0b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03724",
    "kind": "arxiv",
    "version": 2
  }
}