Pith Number

pith:NN32HVMB

pith:2011:NN32HVMBU7T3G3SLIIL77SAVQB

not attested not anchored not stored refs pending

On the third secant variety

Jaros{\l}aw Buczy\'nski, J. M. Landsberg

arxiv:1111.7005 v2 · 2011-11-29 · 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{NN32HVMBU7T3G3SLIIL77SAVQB}

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	2026-05-18T03:43:42.413293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b77a3d581a7e7b36e4b4217ffc81580575d63821c04f9fca3a59b42e65545df

Aliases

arxiv: 1111.7005 · arxiv_version: 1111.7005v2 · doi: 10.48550/arxiv.1111.7005 · pith_short_12: NN32HVMBU7T3 · pith_short_16: NN32HVMBU7T3G3SL · pith_short_8: NN32HVMB

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/NN32HVMBU7T3G3SLIIL77SAVQB \
  | 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: 6b77a3d581a7e7b36e4b4217ffc81580575d63821c04f9fca3a59b42e65545df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaef3a43801d502a067e9bb906bfb4f45f82203aa363e6283ae5b197a11e46c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-11-29T22:03:17Z",
    "title_canon_sha256": "983354fc1750ecdca2350f528e0d1094ffec08d707611c3ece5d7f3e15d4dbd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.7005",
    "kind": "arxiv",
    "version": 2
  }
}