Pith Number

pith:QO277VKF

pith:2016:QO277VKFKSNA4GXVMLTFD3WBWF

not attested not anchored not stored refs pending

Nef cone volumes and discriminants of abelian surfaces

Carsten Borntr\"ager, Thomas Bauer

arxiv:1608.07054 v1 · 2016-08-25 · 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{QO277VKFKSNA4GXVMLTFD3WBWF}

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	2026-05-18T01:07:54.931817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83b5ffd545549a0e1af562e651eec1b16984e8d1aa466d397ef46f6c66580cc4

Aliases

arxiv: 1608.07054 · arxiv_version: 1608.07054v1 · doi: 10.48550/arxiv.1608.07054 · pith_short_12: QO277VKFKSNA · pith_short_16: QO277VKFKSNA4GXV · pith_short_8: QO277VKF

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/QO277VKFKSNA4GXVMLTFD3WBWF \
  | 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: 83b5ffd545549a0e1af562e651eec1b16984e8d1aa466d397ef46f6c66580cc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8926f0c24190b43a1dcecaa258f485a959817aa0186620ce114d05b724d7eeaf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-08-25T08:58:25Z",
    "title_canon_sha256": "6f58a462b18769a4cd995d709c4a267c74cd78b0103ea0f5e3865f18eb2a3889"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07054",
    "kind": "arxiv",
    "version": 1
  }
}