Pith Number

pith:X7VFCPS4

pith:2013:X7VFCPS4MA2KPNO2HC6ISZPTUS

not attested not anchored not stored refs pending

Compilation for QCSP

Igor St\'ephan

arxiv:1307.4655 v1 · 2013-07-17 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X7VFCPS4MA2KPNO2HC6ISZPTUS}

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	2026-05-18T03:18:17.410579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfea513e5c6034a7b5da38bc8965f3a4972c3170435e6fdcc5fec1fbe23e00ec

Aliases

arxiv: 1307.4655 · arxiv_version: 1307.4655v1 · doi: 10.48550/arxiv.1307.4655 · pith_short_12: X7VFCPS4MA2K · pith_short_16: X7VFCPS4MA2KPNO2 · pith_short_8: X7VFCPS4

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/X7VFCPS4MA2KPNO2HC6ISZPTUS \
  | 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: bfea513e5c6034a7b5da38bc8965f3a4972c3170435e6fdcc5fec1fbe23e00ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b4dbec9abfee7680415331686f774f4101aeda517afd1fe374f32c8f218ddfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-07-17T14:42:55Z",
    "title_canon_sha256": "e11908afde632f1c39998195606b3ae22d2c4b445f2460ec94a638ee0124a941"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4655",
    "kind": "arxiv",
    "version": 1
  }
}