Pith Number

pith:I7UOEC45

pith:2015:I7UOEC45UHYY4GQRSLCJD62VS2

not attested not anchored not stored refs pending

On the geometry and topology of partial configuration spaces of Riemann surfaces

Barbu Berceanu, Clement Radu Popescu, Daniela Anca Macinic, Stefan Papadima

arxiv:1504.04733 v2 · 2015-04-18 · math.AT · 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{I7UOEC45UHYY4GQRSLCJD62VS2}

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	2026-05-18T00:48:10.444661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47e8e20b9da1f18e1a1192c491fb55969201129b9dab9b2424abddea1198dadd

Aliases

arxiv: 1504.04733 · arxiv_version: 1504.04733v2 · doi: 10.48550/arxiv.1504.04733 · pith_short_12: I7UOEC45UHYY · pith_short_16: I7UOEC45UHYY4GQR · pith_short_8: I7UOEC45

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/I7UOEC45UHYY4GQRSLCJD62VS2 \
  | 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: 47e8e20b9da1f18e1a1192c491fb55969201129b9dab9b2424abddea1198dadd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b0646fc1d1c6f372964f141d0760b9a09bf10265e1887738616c7f2d6be756f",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-04-18T15:18:42Z",
    "title_canon_sha256": "ec3622fe54005fb0d3dddce0e44e57f5184881b5a8977efc74682ffc319aa610"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04733",
    "kind": "arxiv",
    "version": 2
  }
}