Pith Number

pith:V2RBE5IC

pith:2005:V2RBE5ICPLU75TEHSTMX3JF3AJ

not attested not anchored not stored refs pending

On special rational curves in grassmannians

Tomasz Maszczyk

arxiv:math/0511719 v1 · 2005-11-30 · math.AG · math.QA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V2RBE5ICPLU75TEHSTMX3JF3AJ}

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	2026-07-04T14:51:45.572931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aea21275027ae9fecc8794d97da4bb0275fea7da58ea0b4c6366b83cf12cafe7

Aliases

arxiv: math/0511719 · arxiv_version: math/0511719v1 · doi: 10.48550/arxiv.math/0511719 · pith_short_12: V2RBE5ICPLU7 · pith_short_16: V2RBE5ICPLU75TEH · pith_short_8: V2RBE5IC

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/V2RBE5ICPLU75TEHSTMX3JF3AJ \
  | 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: aea21275027ae9fecc8794d97da4bb0275fea7da58ea0b4c6366b83cf12cafe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11a925737a60cd3a3a81da70293111647aa9925406f19d22304bf1b020d9c279",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2005-11-30T20:56:22Z",
    "title_canon_sha256": "4c57e7de3ea62971b55a79476554827a72740eedead3439104c5af7c158cd3df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0511719",
    "kind": "arxiv",
    "version": 1
  }
}