Pith Number

pith:M4272PCB

pith:2011:M4272PCBWTBUZWFN4Z6OX4MP5O

not attested not anchored not stored refs pending

3D shape matching and Teichm\"uller spaces of pointed Riemann surfaces

Claudio Fontanari, Letizia Pernigotti

arxiv:1101.5116 v1 · 2011-01-26 · 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{M4272PCBWTBUZWFN4Z6OX4MP5O}

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	2026-05-18T04:30:46.785205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6735fd3c41b4c34cd8ade67cebf18feb89f9dabdf7d4fd76107b948e9ac86a92

Aliases

arxiv: 1101.5116 · arxiv_version: 1101.5116v1 · doi: 10.48550/arxiv.1101.5116 · pith_short_12: M4272PCBWTBU · pith_short_16: M4272PCBWTBUZWFN · pith_short_8: M4272PCB

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/M4272PCBWTBUZWFN4Z6OX4MP5O \
  | 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: 6735fd3c41b4c34cd8ade67cebf18feb89f9dabdf7d4fd76107b948e9ac86a92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "694f38dfb1d9f8f20aea3628ad5f99f7990e70501a511e410341a4f2e535eab0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-01-26T17:38:10Z",
    "title_canon_sha256": "c533ebfa0df4614bbba26b75bbcbe2c390ab4144db0d2ad87d5ca90fb6e28bb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5116",
    "kind": "arxiv",
    "version": 1
  }
}