Pith Number

pith:DWKAMOVK

pith:2012:DWKAMOVKH72MFHB7N5KFURT3SQ

not attested not anchored not stored refs pending

Segre embeddings and the canonical image of a curve

Nathan Grieve

arxiv:1201.2086 v1 · 2012-01-10 · 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{DWKAMOVKH72MFHB7N5KFURT3SQ}

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	2026-05-18T02:41:43.429282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d94063aaa3ff4c29c3f6f545a467b941f9b0c0348c76d37bb9227cdbf0231d5

Aliases

arxiv: 1201.2086 · arxiv_version: 1201.2086v1 · doi: 10.48550/arxiv.1201.2086 · pith_short_12: DWKAMOVKH72M · pith_short_16: DWKAMOVKH72MFHB7 · pith_short_8: DWKAMOVK

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/DWKAMOVKH72MFHB7N5KFURT3SQ \
  | 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: 1d94063aaa3ff4c29c3f6f545a467b941f9b0c0348c76d37bb9227cdbf0231d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "185ec04e19b36a24509c4a0617453597a1df98398f76679e658540df18f7b9b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-01-10T15:39:54Z",
    "title_canon_sha256": "725d55db6069abffbf6fffead5923061e9c2b20556f6d6fc3c05c4c24d375faa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2086",
    "kind": "arxiv",
    "version": 1
  }
}