Pith Number

pith:KSTAHPZG

pith:2018:KSTAHPZG5NGES725OSC56KVMJP

not attested not anchored not stored refs pending

Equations and Syzygies of K3 Carpets and Unions of Scrolls

David Eisenbud, Frank-Olaf Schreyer

arxiv:1804.08011 v1 · 2018-04-21 · 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{KSTAHPZG5NGES725OSC56KVMJP}

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	2026-05-18T00:17:49.808505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54a603bf26eb4c497f5d7485df2aac4bc0c98c3c769b390f4552c2ce4f6da704

Aliases

arxiv: 1804.08011 · arxiv_version: 1804.08011v1 · doi: 10.48550/arxiv.1804.08011 · pith_short_12: KSTAHPZG5NGE · pith_short_16: KSTAHPZG5NGES725 · pith_short_8: KSTAHPZG

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/KSTAHPZG5NGES725OSC56KVMJP \
  | 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: 54a603bf26eb4c497f5d7485df2aac4bc0c98c3c769b390f4552c2ce4f6da704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "457aa5e293d98d409fb7a8db94870da5607fd6318d0ea1f8f7201dabe3271ebe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-04-21T19:17:54Z",
    "title_canon_sha256": "d4c93af414790ba0e6957136432dccafe9faaadd215cee255e2e40f7d0449072"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08011",
    "kind": "arxiv",
    "version": 1
  }
}