Pith Number

pith:3PS4SPMT

pith:2013:3PS4SPMT7VYQSKMICCJZRWLV4Y

not attested not anchored not stored refs pending

Block-to-Block Distribution Matching

Georg B\"ocherer, Rana Ali Amjad

arxiv:1302.1020 v1 · 2013-02-05 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PS4SPMT7VYQSKMICCJZRWLV4Y}

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	2026-05-18T03:34:26.420412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbe5c93d93fd71092988109398d975e625acc7dd0746bec064088d2c4be66d25

Aliases

arxiv: 1302.1020 · arxiv_version: 1302.1020v1 · doi: 10.48550/arxiv.1302.1020 · pith_short_12: 3PS4SPMT7VYQ · pith_short_16: 3PS4SPMT7VYQSKMI · pith_short_8: 3PS4SPMT

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/3PS4SPMT7VYQSKMICCJZRWLV4Y \
  | 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: dbe5c93d93fd71092988109398d975e625acc7dd0746bec064088d2c4be66d25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "036057897999dfdd4a37b845226fc3a79d3b9e581e58905bcb90c64443e9d40a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-02-05T12:57:37Z",
    "title_canon_sha256": "c622e9a7e971b1c954ab32fb2aff54bf6da2bc5f03c76ad1ef538d783e0d546a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1020",
    "kind": "arxiv",
    "version": 1
  }
}