Pith Number

pith:I2OZZNEH

pith:2022:I2OZZNEHNXWRB6FGUO37UMOFIK

not attested not anchored not stored refs pending

Perverse filtrations, Chern filtrations, and refined BPS invariants for local $\mathbb{P}^2$

Junliang Shen, Weite Pi, Yakov Kononov

arxiv:2211.06991 v2 · 2022-11-13 · math.AG · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I2OZZNEHNXWRB6FGUO37UMOFIK}

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	2026-07-05T07:18:54.831475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

469d9cb4876ded10f8a6a3b7fa31c542bb76911e91055f25b8e91db02ced1b0d

Aliases

arxiv: 2211.06991 · arxiv_version: 2211.06991v2 · doi: 10.48550/arxiv.2211.06991 · pith_short_12: I2OZZNEHNXWR · pith_short_16: I2OZZNEHNXWRB6FG · pith_short_8: I2OZZNEH

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/I2OZZNEHNXWRB6FGUO37UMOFIK \
  | 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: 469d9cb4876ded10f8a6a3b7fa31c542bb76911e91055f25b8e91db02ced1b0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fd2e19e97573634da782560bf3326a2d8bdaf12e6bf993ad80b3f03ede396b8",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2022-11-13T18:54:52Z",
    "title_canon_sha256": "b972b074c32d1bfbc9f04388012b8a022e5b30ed05ec04bdd5788406706b5999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.06991",
    "kind": "arxiv",
    "version": 2
  }
}