Pith Number

pith:B7F7NDCH

pith:2015:B7F7NDCHXSXCT4BTGDZY2EHB4J

not attested not anchored not stored refs pending

Multiresolution topological simplification

Guo-Wei Wei, Kelin Xia, Zhixiong Zhao

arxiv:1504.00033 v1 · 2015-03-31 · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7F7NDCHXSXCT4BTGDZY2EHB4J}

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	2026-05-18T02:19:49.932919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fcbf68c47bcae29f03330f38d10e1e26cbee0f33d93122e3d35ed4c117a5848

Aliases

arxiv: 1504.00033 · arxiv_version: 1504.00033v1 · doi: 10.48550/arxiv.1504.00033 · pith_short_12: B7F7NDCHXSXC · pith_short_16: B7F7NDCHXSXCT4BT · pith_short_8: B7F7NDCH

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/B7F7NDCHXSXCT4BTGDZY2EHB4J \
  | 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: 0fcbf68c47bcae29f03330f38d10e1e26cbee0f33d93122e3d35ed4c117a5848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a207a1641e025e59434b04ac1b3e34edfa627c206b3561e5cc9dacd735a2285",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2015-03-31T20:47:59Z",
    "title_canon_sha256": "2a49ce11427da4ed6147801e4a305f8b8d00a520927cd0f4da7164e5acbb20a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00033",
    "kind": "arxiv",
    "version": 1
  }
}