Pith Number

pith:ETEJBABG

pith:2009:ETEJBABG7NJZ3EI4NYT2JDBSH4

not attested not anchored not stored refs pending

On network coding for sum-networks

Bikash Kumar Dey, Brijesh Kumar Rai

arxiv:0906.0695 v4 · 2009-06-03 · 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{ETEJBABG7NJZ3EI4NYT2JDBSH4}

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	2026-05-18T00:57:58.172039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24c8908026fb539d911c6e27a48c323f2ff3005338a2246ff4bf689232324267

Aliases

arxiv: 0906.0695 · arxiv_version: 0906.0695v4 · doi: 10.48550/arxiv.0906.0695 · pith_short_12: ETEJBABG7NJZ · pith_short_16: ETEJBABG7NJZ3EI4 · pith_short_8: ETEJBABG

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/ETEJBABG7NJZ3EI4NYT2JDBSH4 \
  | 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: 24c8908026fb539d911c6e27a48c323f2ff3005338a2246ff4bf689232324267

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db6227d744bbd29cad2a27668e267fa594c19b66ec4baadb4078c0182395b659",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-06-03T12:22:52Z",
    "title_canon_sha256": "36e6762c5ed1d507d84fcb2d63552bf4be157e8c6ad3d131b10ec8aa4db35596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0695",
    "kind": "arxiv",
    "version": 4
  }
}