Pith Number

pith:Q2QK7TEP

pith:2006:Q2QK7TEPSA77P5MIHV3DIGTTWT

not attested not anchored not stored refs pending

On a stratification of the Kontsevich space of the Grassmannian G(2,4) and enumerative geometry

Cristina Martinez Ramirez

arxiv:math/0606673 v3 · 2006-06-27 · 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{Q2QK7TEPSA77P5MIHV3DIGTTWT}

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	2026-05-18T04:35:47.102611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86a0afcc8f903ff7f5883d76341a73b4ca8fef01924752824cee16de17e79a8a

Aliases

arxiv: math/0606673 · arxiv_version: math/0606673v3 · doi: 10.48550/arxiv.math/0606673 · pith_short_12: Q2QK7TEPSA77 · pith_short_16: Q2QK7TEPSA77P5MI · pith_short_8: Q2QK7TEP

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/Q2QK7TEPSA77P5MIHV3DIGTTWT \
  | 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: 86a0afcc8f903ff7f5883d76341a73b4ca8fef01924752824cee16de17e79a8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791b9e587a84edac66deb2b5e22bb5a5d3b8c2053bc9dcc695c0ab80b13bad49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2006-06-27T09:36:53Z",
    "title_canon_sha256": "2cd62f6d1954475b4a0748cd17a4c6ef45fa9af9c6a09be57572d3c5b5302483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0606673",
    "kind": "arxiv",
    "version": 3
  }
}