Pith Number

pith:5IH5VBGL

pith:2018:5IH5VBGLOLN3AQEQQN4HPN4GGF

not attested not anchored not stored refs pending

Bhabha Scattering and a special pencil of K3 surfaces

Dino Festi, Duco van Straten

arxiv:1809.04970 v2 · 2018-09-13 · 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{5IH5VBGLOLN3AQEQQN4HPN4GGF}

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	2026-05-18T00:02:24.671725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea0fda84cb72dbb04090837877b78631645ffdfcfa8205a98c5254c6b9225784

Aliases

arxiv: 1809.04970 · arxiv_version: 1809.04970v2 · doi: 10.48550/arxiv.1809.04970 · pith_short_12: 5IH5VBGLOLN3 · pith_short_16: 5IH5VBGLOLN3AQEQ · pith_short_8: 5IH5VBGL

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/5IH5VBGLOLN3AQEQQN4HPN4GGF \
  | 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: ea0fda84cb72dbb04090837877b78631645ffdfcfa8205a98c5254c6b9225784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "141afce913defea449af8c71e77f783ae1751bfd101efcdb271521fec756acd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-09-13T13:59:23Z",
    "title_canon_sha256": "772b33552c87e7dac16d8ffec33926456ea66005241bd0f0a69d0a21dd2acf40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04970",
    "kind": "arxiv",
    "version": 2
  }
}