Pith Number

pith:WEVN2T24

pith:2020:WEVN2T24OHDJJXLPEHZCYLZFP7

not attested not anchored not stored refs pending

Simpson Filtration and Oper Stratum Conjecture

Pengfei Huang, Zhi Hu

arxiv:2010.06837 v2 · 2020-10-14 · 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{WEVN2T24OHDJJXLPEHZCYLZFP7}

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	2026-07-05T02:22:23.865799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b12add4f5c71c694dd6f21f22c2f257fcc8e681fd0dfadcb16cc9d086a3a61f4

Aliases

arxiv: 2010.06837 · arxiv_version: 2010.06837v2 · doi: 10.48550/arxiv.2010.06837 · pith_short_12: WEVN2T24OHDJ · pith_short_16: WEVN2T24OHDJJXLP · pith_short_8: WEVN2T24

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/WEVN2T24OHDJJXLPEHZCYLZFP7 \
  | 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: b12add4f5c71c694dd6f21f22c2f257fcc8e681fd0dfadcb16cc9d086a3a61f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb1c9dfba759c66c6c788c7f88414d0bb0019d5cf40fc0a3b1fc8155d5110b2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-10-14T06:54:07Z",
    "title_canon_sha256": "be2838f45a24de53b090fc9eb498ac7200075cfcc8fde6d4fcd6ac267a8825af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.06837",
    "kind": "arxiv",
    "version": 2
  }
}