Pith Number

pith:RB77AL3F

pith:2017:RB77AL3FWAQQOHHX5UQZCKFDF4

not attested not anchored not stored refs pending

Uniprior Index Coding

Prasad Krishnan, Vijaya Kumar Mareedu

arxiv:1701.06273 v1 · 2017-01-23 · 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{RB77AL3FWAQQOHHX5UQZCKFDF4}

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	2026-05-18T00:52:18.791361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

887ff02f65b021071cf7ed219128a32f23017d1d978301eba1dddba7da047cf1

Aliases

arxiv: 1701.06273 · arxiv_version: 1701.06273v1 · doi: 10.48550/arxiv.1701.06273 · pith_short_12: RB77AL3FWAQQ · pith_short_16: RB77AL3FWAQQOHHX · pith_short_8: RB77AL3F

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/RB77AL3FWAQQOHHX5UQZCKFDF4 \
  | 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: 887ff02f65b021071cf7ed219128a32f23017d1d978301eba1dddba7da047cf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cf934116e5f46f154c0ede058a4ed97ac459f0aec8cbc1440689f3d2827f2e8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-23T06:13:10Z",
    "title_canon_sha256": "daa3d7ed44a2e6b74058a66b157fe61bebb3a8955184602149be8c47ac9afe8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06273",
    "kind": "arxiv",
    "version": 1
  }
}