Pith Number

pith:H6DE2JOS

pith:2011:H6DE2JOS55RA2VJX3O4YSYBAN4

not attested not anchored not stored refs pending

Some non-collarable slices of Lagrangian surfaces

Baptiste Chantraine

arxiv:1108.2969 v2 · 2011-08-15 · math.SG · 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{H6DE2JOS55RA2VJX3O4YSYBAN4}

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	2026-05-18T03:15:32.797660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f864d25d2ef620d5537dbb98960206f3a5543cc2fd15b2126ecacf5572d3df7

Aliases

arxiv: 1108.2969 · arxiv_version: 1108.2969v2 · doi: 10.48550/arxiv.1108.2969 · pith_short_12: H6DE2JOS55RA · pith_short_16: H6DE2JOS55RA2VJX · pith_short_8: H6DE2JOS

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/H6DE2JOS55RA2VJX3O4YSYBAN4 \
  | 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: 3f864d25d2ef620d5537dbb98960206f3a5543cc2fd15b2126ecacf5572d3df7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e52a1e2ad61de07916fe5619a7ec256cca1abe7399c43641c7336adddb8bd61a",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2011-08-15T11:10:23Z",
    "title_canon_sha256": "74f306f31cd0738f47b2b86a973c8be8964b21913266ed203dec089e1d367237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2969",
    "kind": "arxiv",
    "version": 2
  }
}