Pith Number

pith:QE2MVU6A

pith:2017:QE2MVU6A2Q6DKXO55PTFYNRUNV

not attested not anchored not stored refs pending

Moduli map of second fundamental forms on a nonsingular intersection of two quadrics

Yewon Jeong

arxiv:1706.00551 v1 · 2017-06-02 · 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{QE2MVU6A2Q6DKXO55PTFYNRUNV}

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	2026-05-18T00:43:12.740388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8134cad3c0d43c355dddebe65c36346d70129d8d292cc732bfc666c955c3ff7a

Aliases

arxiv: 1706.00551 · arxiv_version: 1706.00551v1 · doi: 10.48550/arxiv.1706.00551 · pith_short_12: QE2MVU6A2Q6D · pith_short_16: QE2MVU6A2Q6DKXO5 · pith_short_8: QE2MVU6A

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/QE2MVU6A2Q6DKXO55PTFYNRUNV \
  | 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: 8134cad3c0d43c355dddebe65c36346d70129d8d292cc732bfc666c955c3ff7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "866a67d07f5814afcd9e6f9f5820f986490d0d3a23449698f8875816dd77bd6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-06-02T04:17:18Z",
    "title_canon_sha256": "76ea83c71dd19bbf8e5332c4e5ac3390d7eed9c30eeb78078838fd629c839ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00551",
    "kind": "arxiv",
    "version": 1
  }
}