Pith Number

pith:4X3TEYPC

pith:2017:4X3TEYPCE2QKHVIDV45PTLOIGA

not attested not anchored not stored refs pending

On the (non-)vanishing of syzygies of Segre embeddings

Claudiu Raicu, Luke Oeding, Steven V Sam

arxiv:1708.03803 v1 · 2017-08-12 · math.AC · 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{4X3TEYPCE2QKHVIDV45PTLOIGA}

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	2026-07-05T00:00:48.933667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5f73261e226a0a3d503af3af9adc83033d4f74ada58b7e57825e0cb6e72a2f5

Aliases

arxiv: 1708.03803 · arxiv_version: 1708.03803v1 · doi: 10.48550/arxiv.1708.03803 · pith_short_12: 4X3TEYPCE2QK · pith_short_16: 4X3TEYPCE2QKHVID · pith_short_8: 4X3TEYPC

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/4X3TEYPCE2QKHVIDV45PTLOIGA \
  | 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: e5f73261e226a0a3d503af3af9adc83033d4f74ada58b7e57825e0cb6e72a2f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "954c9f1b690563b2751ec34704dfc6bc3e3ee596372272565435f473fc078936",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2017-08-12T18:13:27Z",
    "title_canon_sha256": "54c0d462ab12a2d4258560e672f7d70b8d07720b8298f6039bd8cff07c5468f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03803",
    "kind": "arxiv",
    "version": 1
  }
}