Pith Number

pith:3PBK46DP

pith:2018:3PBK46DPYMBINBJT53FB2GRHF3

not attested not anchored not stored refs pending

On a surface isolated by Gambier

Beijing), CNRS, Robert Conte (ENS Cachan, Runliang Lin (Tsinghua, U Paris-Saclay)

arxiv:1805.10450 v1 · 2018-05-26 · nlin.SI · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PBK46DPYMBINBJT53FB2GRHF3}

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	2026-05-18T00:14:52.467556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbc2ae786fc302868533eeca1d1a272ef4b9a40e8e079921e4d524a8dcc14db8

Aliases

arxiv: 1805.10450 · arxiv_version: 1805.10450v1 · doi: 10.48550/arxiv.1805.10450 · pith_short_12: 3PBK46DPYMBI · pith_short_16: 3PBK46DPYMBINBJT · pith_short_8: 3PBK46DP

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/3PBK46DPYMBINBJT53FB2GRHF3 \
  | 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: dbc2ae786fc302868533eeca1d1a272ef4b9a40e8e079921e4d524a8dcc14db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7749b12942fcc3982d6302e554def76a646d3aa5fe2ebed1dd9a8f79312c8c89",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2018-05-26T08:59:27Z",
    "title_canon_sha256": "ff6fe765d2f1a669430bb5ab8d21efe36e11ff2bec8539227ed5f5b7a75ca4f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10450",
    "kind": "arxiv",
    "version": 1
  }
}