Pith Number

pith:KE6VJVGB

pith:2014:KE6VJVGBRYOSGBQ63HPEF7YCNN

not attested not anchored not stored refs pending

Automorphisms of open surfaces with irreducible boundary

Adrien Dubouloz (IMB), St\'ephane Lamy (IMT)

arxiv:1404.4838 v1 · 2014-04-18 · 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{KE6VJVGBRYOSGBQ63HPEF7YCNN}

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	2026-05-18T01:01:36.334614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

513d54d4c18e1d23061ed9de42ff026b6231bbcd63d4dba4f6b5adf01bd63e16

Aliases

arxiv: 1404.4838 · arxiv_version: 1404.4838v1 · doi: 10.48550/arxiv.1404.4838 · pith_short_12: KE6VJVGBRYOS · pith_short_16: KE6VJVGBRYOSGBQ6 · pith_short_8: KE6VJVGB

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/KE6VJVGBRYOSGBQ63HPEF7YCNN \
  | 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: 513d54d4c18e1d23061ed9de42ff026b6231bbcd63d4dba4f6b5adf01bd63e16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d00b8b154061392cd1af6cf4bc0b8d62c03a1b5693ee4b18be7af479742d1d0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-04-18T16:42:05Z",
    "title_canon_sha256": "d7cf1f679de31aa079d0a43e97ff699e8b49230fada68065bddeae5473c6cd61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4838",
    "kind": "arxiv",
    "version": 1
  }
}