Pith Number

pith:47WPQR65

pith:2007:47WPQR65NWUTRZ5TB36OMBYDSB

not attested not anchored not stored refs pending

Opportunistic Relay Selection with Limited Feedback

Caleb K. Lo, Jr., Robert W. Heath, Sriram Vishwanath

arxiv:0704.0805 v1 · 2007-04-05 · 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{47WPQR65NWUTRZ5TB36OMBYDSB}

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	2026-05-18T00:58:48.923847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7ecf847dd6da938e7b30efce60703907a991e4bfdc5330aa68be52aed739109

Aliases

arxiv: 0704.0805 · arxiv_version: 0704.0805v1 · doi: 10.48550/arxiv.0704.0805 · pith_short_12: 47WPQR65NWUT · pith_short_16: 47WPQR65NWUTRZ5T · pith_short_8: 47WPQR65

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/47WPQR65NWUTRZ5TB36OMBYDSB \
  | 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: e7ecf847dd6da938e7b30efce60703907a991e4bfdc5330aa68be52aed739109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bd2f3f468e9062be4bd6e738defe4fe4684714414645b407470a71a0e89586c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-04-05T20:52:26Z",
    "title_canon_sha256": "ca36cb82fa56ed723831276adfe065666349edd93756a70ea5c7669a77d14a8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0805",
    "kind": "arxiv",
    "version": 1
  }
}