Pith Number

pith:JEWXZOTJ

pith:2022:JEWXZOTJARIYI2JOFCFHHKEO5P

not attested not anchored not stored refs pending

Lines highly tangent to a hypersurface

Anand Patel, Dennis Tseng, Eric Riedl, Geoffrey Smith

arxiv:2208.04393 v1 · 2022-08-08 · 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{JEWXZOTJARIYI2JOFCFHHKEO5P}

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	2026-07-05T04:46:56.210421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

492d7cba69045184692e288a73a88eebee37e276ddb2299dce24b0695f823701

Aliases

arxiv: 2208.04393 · arxiv_version: 2208.04393v1 · doi: 10.48550/arxiv.2208.04393 · pith_short_12: JEWXZOTJARIY · pith_short_16: JEWXZOTJARIYI2JO · pith_short_8: JEWXZOTJ

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/JEWXZOTJARIYI2JOFCFHHKEO5P \
  | 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: 492d7cba69045184692e288a73a88eebee37e276ddb2299dce24b0695f823701

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a106a73c7cb01f9314e78e2266edb535c1d8aa27e33578c0c50b6c45bc13697d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2022-08-08T20:04:08Z",
    "title_canon_sha256": "4d29fd45b9403cd0d2a257cd8744f4185186813d4fde98f2afd7a3536a49b265"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.04393",
    "kind": "arxiv",
    "version": 1
  }
}