Pith Number

pith:XOSFXIOT

pith:2019:XOSFXIOTYMPLSJZBLAGOYUKB6C

not attested not anchored not stored refs pending

Equisingular Deformations of Legendrian Curves

Ana Rita Martins, Marco Silva Mendes, Orlando Neto

arxiv:1902.07701 v1 · 2019-02-20 · 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{XOSFXIOTYMPLSJZBLAGOYUKB6C}

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	2026-05-17T23:53:07.124123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bba45ba1d3c31eb92721580cec5141f0ba68c38c46696306332166502b30077f

Aliases

arxiv: 1902.07701 · arxiv_version: 1902.07701v1 · doi: 10.48550/arxiv.1902.07701 · pith_short_12: XOSFXIOTYMPL · pith_short_16: XOSFXIOTYMPLSJZB · pith_short_8: XOSFXIOT

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/XOSFXIOTYMPLSJZBLAGOYUKB6C \
  | 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: bba45ba1d3c31eb92721580cec5141f0ba68c38c46696306332166502b30077f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f3564601a990ad7eb34e40881040bfb01e7d685e071087c42a7d6617df7d4cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-02-20T18:55:19Z",
    "title_canon_sha256": "129a8c9233a2f31638db20158a648d0186f8fdb1b85ac4658ae8b5d41b2d2942"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07701",
    "kind": "arxiv",
    "version": 1
  }
}