Pith Number

pith:5ZSO4BUQ

pith:2019:5ZSO4BUQUBQGUTGRJNKA47BZCF

not attested not anchored not stored refs pending

Tips of Tongues in the Double Standard Family

Adam Epstein, Jordi Canela, Kuntal Banerjee, Xavier Buff

arxiv:1903.01795 v1 · 2019-03-05 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ZSO4BUQUBQGUTGRJNKA47BZCF}

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	2026-05-17T23:51:59.739240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee64ee0690a0606a4cd14b540e7c391148f845ec66f156538aaf6f8b3db02afa

Aliases

arxiv: 1903.01795 · arxiv_version: 1903.01795v1 · doi: 10.48550/arxiv.1903.01795 · pith_short_12: 5ZSO4BUQUBQG · pith_short_16: 5ZSO4BUQUBQGUTGR · pith_short_8: 5ZSO4BUQ

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/5ZSO4BUQUBQGUTGRJNKA47BZCF \
  | 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: ee64ee0690a0606a4cd14b540e7c391148f845ec66f156538aaf6f8b3db02afa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23274cfbd64d7765a1c1871ac1c5861d9ed22e9d58d3d681e9d4bfc63c2ee995",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-03-05T12:51:27Z",
    "title_canon_sha256": "a752a8b4e959c58dc86b9b90012220f6a312e2c4af33a33d6d3731994726b9db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01795",
    "kind": "arxiv",
    "version": 1
  }
}