Pith Number

pith:TLRNLIXJ

pith:2009:TLRNLIXJIOPKJDCENSL6NIXN2N

not attested not anchored not stored refs pending

Minimum cost mirror sites using network coding: Replication vs. coding at the source nodes

Aditya Ramamoorthy, Muriel Medard, Shurui Huang

arxiv:0910.2263 v2 · 2009-10-12 · 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{TLRNLIXJIOPKJDCENSL6NIXN2N}

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	2026-05-18T00:59:11.184097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ae2d5a2e9439ea48c446c97e6a2edd34415595f664d65391403b6fbf8751741

Aliases

arxiv: 0910.2263 · arxiv_version: 0910.2263v2 · doi: 10.48550/arxiv.0910.2263 · pith_short_12: TLRNLIXJIOPK · pith_short_16: TLRNLIXJIOPKJDCE · pith_short_8: TLRNLIXJ

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/TLRNLIXJIOPKJDCENSL6NIXN2N \
  | 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: 9ae2d5a2e9439ea48c446c97e6a2edd34415595f664d65391403b6fbf8751741

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ef7d4a0a7643dfa3d7f0d7aba6adc3799a675efce848b57aaf147967d2939a5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-10-12T22:32:39Z",
    "title_canon_sha256": "d1a155c2a2800b21aee1dd0405e8b3ec9d235e1569975185714a0d3089a090fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2263",
    "kind": "arxiv",
    "version": 2
  }
}