Pith Number

pith:SXVCS5IW

pith:2011:SXVCS5IWS7PYMSNEQ3DDULCJGS

not attested not anchored not stored refs pending

Code Reverse Engineering problem for Identification Codes

Herv\'e Chabanne, Julien Bringer

arxiv:1105.1601 v2 · 2011-05-09 · cs.CR · 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{SXVCS5IWS7PYMSNEQ3DDULCJGS}

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	2026-05-18T02:22:00.532703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95ea29751697df8649a486c63a2c4934bd86d3382d7f5c64b49bc3cf3848cd95

Aliases

arxiv: 1105.1601 · arxiv_version: 1105.1601v2 · doi: 10.48550/arxiv.1105.1601 · pith_short_12: SXVCS5IWS7PY · pith_short_16: SXVCS5IWS7PYMSNE · pith_short_8: SXVCS5IW

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/SXVCS5IWS7PYMSNEQ3DDULCJGS \
  | 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: 95ea29751697df8649a486c63a2c4934bd86d3382d7f5c64b49bc3cf3848cd95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb5ca2d892f31bb7e53b6d165cff72d94c48c1a7def19bc235ebb39dc937fd59",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2011-05-09T08:47:11Z",
    "title_canon_sha256": "fb4baa763b16fb4d7c1a8edc8dc8765f3a825865509da8fb292acb7476e07718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1601",
    "kind": "arxiv",
    "version": 2
  }
}