pith. sign in
Pith Number

pith:XSIVJ7Y4

pith:2014:XSIVJ7Y4XM2YG5EPQWFLEGACNR
not attested not anchored not stored refs pending

Hamming's Original Paper Rewritten in Symbolic Form: A Preamble to Coding Theory

H. Gopalakrishna Gadiyar, R. Padma

arxiv:1401.5919 v1 · 2014-01-23 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XSIVJ7Y4XM2YG5EPQWFLEGACNR}

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 2026-05-18T03:01:23.415572Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bc9154ff1cbb3583748f858ab218026c4eb3ac9eefd1e6e0a317027111385f10

Aliases

arxiv: 1401.5919 · arxiv_version: 1401.5919v1 · doi: 10.48550/arxiv.1401.5919 · pith_short_12: XSIVJ7Y4XM2Y · pith_short_16: XSIVJ7Y4XM2YG5EP · pith_short_8: XSIVJ7Y4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XSIVJ7Y4XM2YG5EPQWFLEGACNR \
  | 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: bc9154ff1cbb3583748f858ab218026c4eb3ac9eefd1e6e0a317027111385f10
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b9c4df8d35996dc0e0c2d252cc281e0c842a9c8597c7ad05b18d7ff14fa255c3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-01-23T09:56:14Z",
    "title_canon_sha256": "74b4216ad3bfe53aa6fe44b399f123afabf683c73955923f81934eb907f4e656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5919",
    "kind": "arxiv",
    "version": 1
  }
}