Pith Number

pith:BW5S6SXE

pith:2016:BW5S6SXEQFU2EMX7CD5EAA64EK

not attested not anchored not stored refs pending

Arithmetically Gorenstein Calabi-Yau threefolds in $\mathbb{P}^7$

Grzegorz Kapustka, Lukasz Golebiowski, Michal Kapustka, Stephen Coughlan

arxiv:1609.01195 v1 · 2016-09-05 · 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{BW5S6SXEQFU2EMX7CD5EAA64EK}

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	2026-05-18T01:06:18.731682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dbb2f4ae48169a232ff10fa4003dc229e4e5fdf078b8efea1757ad72879842b

Aliases

arxiv: 1609.01195 · arxiv_version: 1609.01195v1 · doi: 10.48550/arxiv.1609.01195 · pith_short_12: BW5S6SXEQFU2 · pith_short_16: BW5S6SXEQFU2EMX7 · pith_short_8: BW5S6SXE

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/BW5S6SXEQFU2EMX7CD5EAA64EK \
  | 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: 0dbb2f4ae48169a232ff10fa4003dc229e4e5fdf078b8efea1757ad72879842b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc960228dcd134f536af8ff699b64f47f8341180ad6bab46757c598d3067fe3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-09-05T15:25:03Z",
    "title_canon_sha256": "7b9869279039a4879b23136b226f2a136607ac07bb686831302308c77fbc6453"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01195",
    "kind": "arxiv",
    "version": 1
  }
}