Pith Number

pith:SUMX65RG

pith:2008:SUMX65RGS52A73VLIWYBCW3RSS

not attested not anchored not stored refs pending

Path Gain Algebraic Formulation for the Scalar Linear Network Coding Problem

Abhay T. Subramanian, Andrew Thangaraj

arxiv:0807.1158 v2 · 2008-07-08 · 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{SUMX65RGS52A73VLIWYBCW3RSS}

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	2026-05-18T00:58:25.514557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95197f762697740feeab45b0115b7194846db695701e937dd5e4b2ddb49594a9

Aliases

arxiv: 0807.1158 · arxiv_version: 0807.1158v2 · doi: 10.48550/arxiv.0807.1158 · pith_short_12: SUMX65RGS52A · pith_short_16: SUMX65RGS52A73VL · pith_short_8: SUMX65RG

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/SUMX65RGS52A73VLIWYBCW3RSS \
  | 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: 95197f762697740feeab45b0115b7194846db695701e937dd5e4b2ddb49594a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47b086ab7811490a7e9c5900a01bad5a92831c01d660d11b576a41df4ced0522",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-07-08T02:51:49Z",
    "title_canon_sha256": "acab5da6a142d5f45b2a2468e8ebd3a4cc1589c872514f1961b0114bc98ba2de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.1158",
    "kind": "arxiv",
    "version": 2
  }
}