Pith Number

pith:D7VQU32F

pith:2024:D7VQU32F4LDKTTYFAXD64GR7N2

not attested not anchored not stored refs pending

Cohomological stabilization, perverse filtrations, and refined BPS invariants for del Pezzo surfaces

Feinuo Zhang, Fei Si, Junliang Shen, Weite Pi

arxiv:2406.10004 v2 · 2024-06-14 · 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{D7VQU32F4LDKTTYFAXD64GR7N2}

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

Topology of projective Tate-Shafarevich twists

Receipt and verification

First computed	2026-07-05T08:48:15.134802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1feb0a6f45e2c6a9cf0505c7ee1a3f6e8340dbb4da12cd50bcc0d6f34af82b2d

Aliases

arxiv: 2406.10004 · arxiv_version: 2406.10004v2 · doi: 10.48550/arxiv.2406.10004 · pith_short_12: D7VQU32F4LDK · pith_short_16: D7VQU32F4LDKTTYF · pith_short_8: D7VQU32F

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/D7VQU32F4LDKTTYFAXD64GR7N2 \
  | 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: 1feb0a6f45e2c6a9cf0505c7ee1a3f6e8340dbb4da12cd50bcc0d6f34af82b2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41878b49a109a4d5a4bd710e80a86134ae46e3b3cfc9dab16f740973d053e228",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-06-14T13:19:18Z",
    "title_canon_sha256": "04b7cb1c830ec2da5d0be4d4bfbbf229b1a49bc9994c799dc2a93d330fdbfd1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.10004",
    "kind": "arxiv",
    "version": 2
  }
}