Pith Number

pith:JXEDC2CB

pith:2014:JXEDC2CBLF62DZEEDQQLPBFVU3

not attested not anchored not stored refs pending

Small eigenvalues of surfaces

Henrik Matthiesen, Sugata Mondal, Werner Ballmann

arxiv:1406.5836 v1 · 2014-06-23 · 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{JXEDC2CBLF62DZEEDQQLPBFVU3}

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	2026-05-18T00:49:25.349853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dc8316841597da1e4841c20b784b5a6f60abbf8f91efb2ce2e3771512f7181a

Aliases

arxiv: 1406.5836 · arxiv_version: 1406.5836v1 · doi: 10.48550/arxiv.1406.5836 · pith_short_12: JXEDC2CBLF62 · pith_short_16: JXEDC2CBLF62DZEE · pith_short_8: JXEDC2CB

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/JXEDC2CBLF62DZEEDQQLPBFVU3 \
  | 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: 4dc8316841597da1e4841c20b784b5a6f60abbf8f91efb2ce2e3771512f7181a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8bb71f9ea561812f301a35ac25146e7f18a033a57cdbb04d9bee6fa1463e30f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-06-23T09:06:44Z",
    "title_canon_sha256": "271af9673a8455c4830816ec21fbf5720fb6bb29d745f6cc5df2f1fa85b05d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5836",
    "kind": "arxiv",
    "version": 1
  }
}