Pith Number

pith:M25QEYEM

pith:2013:M25QEYEMROAOFRPEUDNN77UWVI

not attested not anchored not stored refs pending

Abelian Group Codes for Source Coding and Channel Coding

Aria G. Sahebi, S. Sandeep Pradhan

arxiv:1305.1598 v1 · 2013-05-07 · 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{M25QEYEMROAOFRPEUDNN77UWVI}

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	2026-05-18T03:26:21.213715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66bb02608c8b80e2c5e4a0dadffe96aa1280fe357217f944a53ce965f0bac5bf

Aliases

arxiv: 1305.1598 · arxiv_version: 1305.1598v1 · doi: 10.48550/arxiv.1305.1598 · pith_short_12: M25QEYEMROAO · pith_short_16: M25QEYEMROAOFRPE · pith_short_8: M25QEYEM

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/M25QEYEMROAOFRPEUDNN77UWVI \
  | 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: 66bb02608c8b80e2c5e4a0dadffe96aa1280fe357217f944a53ce965f0bac5bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "898aee5676f63f7216ed0c14bac69bd5f200a6aea031997f9642c1c4e9bbc3be",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-05-07T18:13:41Z",
    "title_canon_sha256": "2eebbf990e1eaa028634a7ffacc94f294ec7d0e2ea1b65ea99083eb8d71470e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1598",
    "kind": "arxiv",
    "version": 1
  }
}