Pith Number

pith:VQUDL5MK

pith:2012:VQUDL5MK3LDJGUPUI3MFLDJG53

not attested not anchored not stored refs pending

Computation over Mismatched Channels

Nikhil Karamchandani, Suhas Diggavi, Urs Niesen

arxiv:1204.5059 v2 · 2012-04-23 · 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{VQUDL5MK3LDJGUPUI3MFLDJG53}

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	2026-05-18T03:29:40.743356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac2835f58adac69351f446d8558d26eef5fda4a1346e9ebe101f8e1659462186

Aliases

arxiv: 1204.5059 · arxiv_version: 1204.5059v2 · doi: 10.48550/arxiv.1204.5059 · pith_short_12: VQUDL5MK3LDJ · pith_short_16: VQUDL5MK3LDJGUPU · pith_short_8: VQUDL5MK

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/VQUDL5MK3LDJGUPUI3MFLDJG53 \
  | 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: ac2835f58adac69351f446d8558d26eef5fda4a1346e9ebe101f8e1659462186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c3454cf5ebe0cbd31dff400d59dc174d8eb07b041a3f29356f6dd098f330064",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-04-23T13:22:28Z",
    "title_canon_sha256": "459da86731b7440905bc9e94c36bf305b29df535b2fb56bc2d4ab55ec632e8af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5059",
    "kind": "arxiv",
    "version": 2
  }
}