Pith Number

pith:AAPQ5IIU

pith:2013:AAPQ5IIUY3HA55DDGV4K62PAIE

not attested not anchored not stored refs pending

Comparing cost and performance of replication and erasure coding

Ab de Kwant, John Cook, Robert Primmer

arxiv:1308.1887 v2 · 2013-08-08 · 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{AAPQ5IIUY3HA55DDGV4K62PAIE}

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	2026-05-18T03:16:08.128144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

001f0ea114c6ce0ef4633578af69e04104efa2dffa4bed6e95efb8eb38ceea7f

Aliases

arxiv: 1308.1887 · arxiv_version: 1308.1887v2 · doi: 10.48550/arxiv.1308.1887 · pith_short_12: AAPQ5IIUY3HA · pith_short_16: AAPQ5IIUY3HA55DD · pith_short_8: AAPQ5IIU

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/AAPQ5IIUY3HA55DDGV4K62PAIE \
  | 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: 001f0ea114c6ce0ef4633578af69e04104efa2dffa4bed6e95efb8eb38ceea7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f508b7e6dc25f8559a54fdba7b873bdc722de828e15afc8ba247d46a192b7449",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-08-08T16:02:21Z",
    "title_canon_sha256": "1a7b9ac076e7ea1fe24825dceb71b85e71e433b906adeb38bbe4d20dc063aa70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1887",
    "kind": "arxiv",
    "version": 2
  }
}