Pith Number

pith:QWB2AMAF

pith:2017:QWB2AMAF3XBDIZ7AG7ZH4FNDOZ

not attested not anchored not stored refs pending

On The Complexity of Enumeration

Florent Capelli, Yann Strozecki

arxiv:1703.01928 v2 · 2017-03-06 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWB2AMAF3XBDIZ7AG7ZH4FNDOZ}

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	2026-05-18T00:41:07.298705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8583a03005ddc23467e037f27e15a3766959f8b839abc686ae139e178fb40a6b

Aliases

arxiv: 1703.01928 · arxiv_version: 1703.01928v2 · doi: 10.48550/arxiv.1703.01928 · pith_short_12: QWB2AMAF3XBD · pith_short_16: QWB2AMAF3XBDIZ7A · pith_short_8: QWB2AMAF

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/QWB2AMAF3XBDIZ7AG7ZH4FNDOZ \
  | 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: 8583a03005ddc23467e037f27e15a3766959f8b839abc686ae139e178fb40a6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8f25ac88e7c13444ca211830ced9909089a8ee8ddddf4ebda74867e87310400",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-03-06T15:42:36Z",
    "title_canon_sha256": "a3caa9fb074eb80bd2bcf8388e98826177501a794b48fc12eb150f0b0a6abe30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01928",
    "kind": "arxiv",
    "version": 2
  }
}