Pith Number

pith:FSUA4SBJ

pith:2015:FSUA4SBJJ5V7SP2MJ4CTGLUC4H

not attested not anchored not stored refs pending

Structural Properties of Index Coding Capacity Using Fractional Graph Theory

Fatemeh Arbabjolfaei, Young-Han Kim

arxiv:1504.06761 v1 · 2015-04-25 · 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{FSUA4SBJJ5V7SP2MJ4CTGLUC4H}

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	2026-05-18T02:17:44.427921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ca80e48294f6bf93f4c4f05332e82e1ca64f66abe3e65fdffa08f7bb8f753c0

Aliases

arxiv: 1504.06761 · arxiv_version: 1504.06761v1 · doi: 10.48550/arxiv.1504.06761 · pith_short_12: FSUA4SBJJ5V7 · pith_short_16: FSUA4SBJJ5V7SP2M · pith_short_8: FSUA4SBJ

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/FSUA4SBJJ5V7SP2MJ4CTGLUC4H \
  | 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: 2ca80e48294f6bf93f4c4f05332e82e1ca64f66abe3e65fdffa08f7bb8f753c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f3f84a3ffeff381e852989eb88218059da32455f71f53c4af9e3e44bf2071f3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-25T20:41:19Z",
    "title_canon_sha256": "6e9c43c5172858057e875891dcd189f6a1686a526b52e6e5d94132f2ba704619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06761",
    "kind": "arxiv",
    "version": 1
  }
}