Pith Number

pith:NGYBNX2Q

pith:2017:NGYBNX2QKX7FA23ZF7NONBKRSE

not attested not anchored not stored refs pending

Attracted by an elliptic fixed point

Bassam Fayad (IMJ-PRG), David Sauzin (IMCCE), Jean-Pierre Marco (UPMC), J.-P Marco

arxiv:1712.03001 v2 · 2017-12-08 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGYBNX2QKX7FA23ZF7NONBKRSE}

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	2026-05-18T00:18:25.462968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69b016df5055fe506b792fdae6855191088d3131d57c2a238a5f97802ef3095d

Aliases

arxiv: 1712.03001 · arxiv_version: 1712.03001v2 · doi: 10.48550/arxiv.1712.03001 · pith_short_12: NGYBNX2QKX7F · pith_short_16: NGYBNX2QKX7FA23Z · pith_short_8: NGYBNX2Q

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/NGYBNX2QKX7FA23ZF7NONBKRSE \
  | 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: 69b016df5055fe506b792fdae6855191088d3131d57c2a238a5f97802ef3095d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "401b60e1d622272ccf94d26748d713228019ab4600dd1debd04af76405e8e64d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-12-08T10:01:22Z",
    "title_canon_sha256": "e55ca8d8bdb15d034be9c31ebb11d47c3fa7e4b4a4b3ac677f459c0adbf20f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03001",
    "kind": "arxiv",
    "version": 2
  }
}