Pith Number

pith:HRUDBTHH

pith:2006:HRUDBTHHXKTP35OXTTG6CJHZA3

not attested not anchored not stored refs pending

Patchworking real algebraic varieties

Oleg Viro

arxiv:math/0611382 v1 · 2006-11-13 · 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{HRUDBTHHXKTP35OXTTG6CJHZA3}

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

2 papers in Pith

Generating Special Triangulations with Transformers

Hilbert's 16th problem for arrangements of curves on a surface

Receipt and verification

First computed	2026-07-04T14:57:39.480506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c6830cce7baa6fdf5d79ccde124f906f39089460f998881433762b045a991b3

Aliases

arxiv: math/0611382 · arxiv_version: math/0611382v1 · doi: 10.48550/arxiv.math/0611382 · pith_short_12: HRUDBTHHXKTP · pith_short_16: HRUDBTHHXKTP35OX · pith_short_8: HRUDBTHH

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/HRUDBTHHXKTP35OXTTG6CJHZA3 \
  | 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: 3c6830cce7baa6fdf5d79ccde124f906f39089460f998881433762b045a991b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db00d7b09c4b2685e5b4a72fec36cf1ff80ed6e62430000752c47e77aaae7d0e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2006-11-13T11:23:19Z",
    "title_canon_sha256": "6a94fa735545ebd37385df6f46c669ea9c452a1d9a9ed1df34916cb57dc27740"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0611382",
    "kind": "arxiv",
    "version": 1
  }
}