Pith Number

pith:5TMRKVAM

pith:2013:5TMRKVAME6KHBVQJXJ6AV6GR7P

not attested not anchored not stored refs pending

Surgery and Invariants of Lagrangian Surfaces

Mei-Lin Yau

arxiv:1306.5304 v3 · 2013-06-22 · math.SG · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5TMRKVAME6KHBVQJXJ6AV6GR7P}

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.

Cited by

1 paper in Pith

Nodal Tangles

Receipt and verification

First computed	2026-05-18T03:13:57.887665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecd915540c279470d609ba7c0af8d1fbf2786e2a96d0630ecc7335bc76ab1c61

Aliases

arxiv: 1306.5304 · arxiv_version: 1306.5304v3 · doi: 10.48550/arxiv.1306.5304 · pith_short_12: 5TMRKVAME6KH · pith_short_16: 5TMRKVAME6KHBVQJ · pith_short_8: 5TMRKVAM

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/5TMRKVAME6KHBVQJXJ6AV6GR7P \
  | 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: ecd915540c279470d609ba7c0af8d1fbf2786e2a96d0630ecc7335bc76ab1c61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7925127f71df77bad83c5fef9806644051318c0ca5eed060e0ca51fa870730f1",
    "cross_cats_sorted": [
      "math.DG",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-06-22T10:03:57Z",
    "title_canon_sha256": "ddfdb296094e338e9c0de1ffe6484aa16d1254eca0638803c74f41576c61c8a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5304",
    "kind": "arxiv",
    "version": 3
  }
}