Pith Number

pith:ADMZ6ASO

pith:2008:ADMZ6ASOB3ZQIJPN7SGV5XCC7E

not attested not anchored not stored refs pending

Minimal Lagrangian surfaces in the tangent bundle of a Riemannian surface

Brendan Guilfoyle, Henri Anciaux, Pascal Romon

arxiv:0807.1387 v2 · 2008-07-09 · 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{ADMZ6ASOB3ZQIJPN7SGV5XCC7E}

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	2026-05-18T00:51:19.686522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00d99f024e0ef30425edfc8d5edc42f90b8c6268b7b44d07b9cdbeda8c898594

Aliases

arxiv: 0807.1387 · arxiv_version: 0807.1387v2 · doi: 10.48550/arxiv.0807.1387 · pith_short_12: ADMZ6ASOB3ZQ · pith_short_16: ADMZ6ASOB3ZQIJPN · pith_short_8: ADMZ6ASO

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/ADMZ6ASOB3ZQIJPN7SGV5XCC7E \
  | 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: 00d99f024e0ef30425edfc8d5edc42f90b8c6268b7b44d07b9cdbeda8c898594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a620bc0b6adb93dd07425331ba632ecc6ce98ef58e1450d74935dc00c5449fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-07-09T07:15:01Z",
    "title_canon_sha256": "e245dbdd527e3f8f612e54e508de1c33e81da603522f2ffe721ad989229065c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.1387",
    "kind": "arxiv",
    "version": 2
  }
}