Pith Number

pith:UVTG2RR2

pith:2025:UVTG2RR234BQZ2FMY3MLDVKMDA

not attested not anchored not stored refs pending

A new phantom on a rational surface

Shihao Ma, Song Yang, Yirui Xiong

arxiv:2511.07114 v2 · 2025-11-10 · 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{UVTG2RR234BQZ2FMY3MLDVKMDA}

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.

Cited by

1 paper in Pith

Inducing t-structures on semiorthogonal components

Receipt and verification

First computed	2026-08-05T01:36:18.338980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5666d463adf030ce8acc6d8b1d54c180840cce3b0f731b3bf0745524fd50c59

Aliases

arxiv: 2511.07114 · arxiv_version: 2511.07114v2 · doi: 10.48550/arxiv.2511.07114 · pith_short_12: UVTG2RR234BQ · pith_short_16: UVTG2RR234BQZ2FM · pith_short_8: UVTG2RR2

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/UVTG2RR234BQZ2FMY3MLDVKMDA \
  | 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: a5666d463adf030ce8acc6d8b1d54c180840cce3b0f731b3bf0745524fd50c59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f7d66318b35d8604b4b77df06b718e7ed9c5cad36be422f7fd3e3bc614b8e6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-11-10T14:00:33Z",
    "title_canon_sha256": "61a3435a51992093f092131b16782123228f923e9cd6d411ba81bcf7f445e10f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.07114",
    "kind": "arxiv",
    "version": 2
  }
}