Pith Number

pith:SYG2X3C2

pith:2016:SYG2X3C2WNE2CFZ24JUNZP7U2W

not attested not anchored not stored refs pending

Zigzag Decodable Fountain Codes

Takayuki Nozaki

arxiv:1605.09125 v2 · 2016-05-30 · 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{SYG2X3C2WNE2CFZ24JUNZP7U2W}

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	2026-05-18T00:36:33.319862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

960dabec5ab349a1173ae268dcbff4d5b57b68b68183d713be59f2d926481cfe

Aliases

arxiv: 1605.09125 · arxiv_version: 1605.09125v2 · doi: 10.48550/arxiv.1605.09125 · pith_short_12: SYG2X3C2WNE2 · pith_short_16: SYG2X3C2WNE2CFZ2 · pith_short_8: SYG2X3C2

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/SYG2X3C2WNE2CFZ24JUNZP7U2W \
  | 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: 960dabec5ab349a1173ae268dcbff4d5b57b68b68183d713be59f2d926481cfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb81f6bce45397cb7541b666babcb4d2942afe7221a2690a53ed3130eda072de",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-30T07:28:20Z",
    "title_canon_sha256": "501cea47cd5770d3902721ca212990642199174ba8ad88b797ee7a3c129e7032"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.09125",
    "kind": "arxiv",
    "version": 2
  }
}