Pith Number

pith:ORUPYTPH

pith:2013:ORUPYTPHEAX44NTFFXILHSY33S

not attested not anchored not stored refs pending

One-shot source coding with coded side information available at the decoder

Naqueeb Ahmad Warsi

arxiv:1303.2579 v1 · 2013-03-11 · 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{ORUPYTPHEAX44NTFFXILHSY33S}

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	2026-05-18T03:31:18.587810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7468fc4de7202fce36652dd0b3cb1bdc84ec2f3b4ef9b4a828f5ec811f112edc

Aliases

arxiv: 1303.2579 · arxiv_version: 1303.2579v1 · doi: 10.48550/arxiv.1303.2579 · pith_short_12: ORUPYTPHEAX4 · pith_short_16: ORUPYTPHEAX44NTF · pith_short_8: ORUPYTPH

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/ORUPYTPHEAX44NTFFXILHSY33S \
  | 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: 7468fc4de7202fce36652dd0b3cb1bdc84ec2f3b4ef9b4a828f5ec811f112edc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6757c84bac9d1db034625130d8c52e01584cea730f2fb2850185a11c7db94cdc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-11T16:47:20Z",
    "title_canon_sha256": "fdbbad3fdf0af810953f5da7484b2e60e63e33bf24c1638bc9e01567c6a6c5f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2579",
    "kind": "arxiv",
    "version": 1
  }
}