Pith Number

pith:N4PA5BQX

pith:2019:N4PA5BQX6W3UEWM7E6PT2KMBZQ

not attested not anchored not stored refs pending

Fixed point branes, singular loci and mirror symmetry

Ana Pe\'on-Nieto

arxiv:1907.04903 v1 · 2019-07-10 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4PA5BQX6W3UEWM7E6PT2KMBZQ}

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	2026-05-17T23:40:54.608149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f1e0e8617f5b742599f279f3d2981cc28b5c57887a73f60123512cf7ffb0460

Aliases

arxiv: 1907.04903 · arxiv_version: 1907.04903v1 · doi: 10.48550/arxiv.1907.04903 · pith_short_12: N4PA5BQX6W3U · pith_short_16: N4PA5BQX6W3UEWM7 · pith_short_8: N4PA5BQX

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/N4PA5BQX6W3UEWM7E6PT2KMBZQ \
  | 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: 6f1e0e8617f5b742599f279f3d2981cc28b5c57887a73f60123512cf7ffb0460

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b14b917e3f9fd718be147c668bfbd99cff78cf31c43b1771d1be02c675ac6cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-07-10T19:51:06Z",
    "title_canon_sha256": "e282f207e7b41e0d88f59240b849009f435948bf9fb682462e0658a5eb96494d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04903",
    "kind": "arxiv",
    "version": 1
  }
}