Pith Number

pith:2EXDTONM

pith:2007:2EXDTONM7I47YKZJJCQGYKQ7G6

not attested not anchored not stored refs pending

Logarithmic Moduli Spaces for Surfaces of Class VII

Karl Oeljeklaus, Matei Toma

arxiv:math/0701840 v2 · 2007-01-29 · math.CV · 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{2EXDTONM7I47YKZJJCQGYKQ7G6}

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	2026-05-18T01:30:49.667534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d12e39b9acfa39fc2b2948a06c2a1f378074dc73b20010bc42ba6294fed894e1

Aliases

arxiv: math/0701840 · arxiv_version: math/0701840v2 · doi: 10.48550/arxiv.math/0701840 · pith_short_12: 2EXDTONM7I47 · pith_short_16: 2EXDTONM7I47YKZJ · pith_short_8: 2EXDTONM

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/2EXDTONM7I47YKZJJCQGYKQ7G6 \
  | 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: d12e39b9acfa39fc2b2948a06c2a1f378074dc73b20010bc42ba6294fed894e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8aabc93f56fb9607e029680f884ccdaa762d029364d220f8ed3ee36ac414b47",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2007-01-29T11:43:04Z",
    "title_canon_sha256": "09e326b03f89b476f9c410149f0ca5040dded3283448832c080dca3c9659642d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0701840",
    "kind": "arxiv",
    "version": 2
  }
}