Pith Number

pith:VPGLPAZQ

pith:2019:VPGLPAZQUXFAOSZRMWRSEOWRFA

not attested not anchored not stored refs pending

On Pliable Index Coding

B. Sundar Rajan, Shanuja Sasi

arxiv:1901.05809 v1 · 2019-01-17 · 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{VPGLPAZQUXFAOSZRMWRSEOWRFA}

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	2026-05-17T23:56:06.127977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abccb78330a5ca074b3165a3223ad12816822aff0b97210c8effee22a768ba13

Aliases

arxiv: 1901.05809 · arxiv_version: 1901.05809v1 · doi: 10.48550/arxiv.1901.05809 · pith_short_12: VPGLPAZQUXFA · pith_short_16: VPGLPAZQUXFAOSZR · pith_short_8: VPGLPAZQ

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/VPGLPAZQUXFAOSZRMWRSEOWRFA \
  | 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: abccb78330a5ca074b3165a3223ad12816822aff0b97210c8effee22a768ba13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b37749c898aab2b5d395995d80f621d50e6af83239348ae340b3474e94bd0464",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-17T14:33:57Z",
    "title_canon_sha256": "425fa71f1576e0d462121403ad2a54f56eaef036a84524d0d5271a903fee13f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05809",
    "kind": "arxiv",
    "version": 1
  }
}