Pith Number

pith:VIGQA2CK

pith:2013:VIGQA2CK7UREGKFONEDRHCDF5L

not attested not anchored not stored refs pending

Distributed computation of homology using harmonics

Hamid Krim, Harish Chintakunta

arxiv:1306.1158 v1 · 2013-06-05 · math.AT · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VIGQA2CK7UREGKFONEDRHCDF5L}

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	2026-05-18T03:21:44.123448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa0d00684afd224328ae6907138865eade31f345829ebe5924d83742000c8608

Aliases

arxiv: 1306.1158 · arxiv_version: 1306.1158v1 · doi: 10.48550/arxiv.1306.1158 · pith_short_12: VIGQA2CK7URE · pith_short_16: VIGQA2CK7UREGKFO · pith_short_8: VIGQA2CK

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/VIGQA2CK7UREGKFONEDRHCDF5L \
  | 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: aa0d00684afd224328ae6907138865eade31f345829ebe5924d83742000c8608

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c23bd61b16bf4e4a0fd1e501dba38ae2aa488d6326ba79a3b7fc5f898879c5d6",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-06-05T15:54:19Z",
    "title_canon_sha256": "a9507eaa887c3f9797e91e7b2ff63d440066cfd350ea931321b9b4320c153733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1158",
    "kind": "arxiv",
    "version": 1
  }
}