Pith Number

pith:3OUBQ7X6

pith:2019:3OUBQ7X6F2MNX6OBZ3EW5K55DD

not attested not anchored not stored refs pending

A Unified Framework for Problems on Guessing, Source Coding and Task Partitioning

Albert Sunny, Ashisha Kumar, Ashish Thakre, M. Ashok Kumar

arxiv:1907.06889 v1 · 2019-07-16 · cs.IT · math.IT · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OUBQ7X6F2MNX6OBZ3EW5K55DD}

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	2026-05-17T23:40:28.779993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dba8187efe2e98dbf9c1cec96eabbd18fdc5bc9d80ca2011ee87527e5bd7c893

Aliases

arxiv: 1907.06889 · arxiv_version: 1907.06889v1 · doi: 10.48550/arxiv.1907.06889 · pith_short_12: 3OUBQ7X6F2MN · pith_short_16: 3OUBQ7X6F2MNX6OB · pith_short_8: 3OUBQ7X6

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/3OUBQ7X6F2MNX6OBZ3EW5K55DD \
  | 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: dba8187efe2e98dbf9c1cec96eabbd18fdc5bc9d80ca2011ee87527e5bd7c893

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24144242d571cbbaf968a9597bd55e512902b0dc4a79af9f57e54ae88d6fc798",
    "cross_cats_sorted": [
      "math.IT",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-07-16T08:45:20Z",
    "title_canon_sha256": "258df4efe95dd521bdefa087f703721b9743907db457c916795a255a5127bf08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06889",
    "kind": "arxiv",
    "version": 1
  }
}