Pith Number

pith:G2YSURKV

pith:2017:G2YSURKVW3P63DALWLGGGDEE5Z

not attested not anchored not stored refs pending

Ranks on the boundaries of secant varieties

Edoardo Ballico

arxiv:1708.01029 v1 · 2017-08-03 · 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{G2YSURKVW3P63DALWLGGGDEE5Z}

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	2026-05-18T00:38:40.783925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36b12a4555b6dfed8c0bb2cc630c84ee63a2f94434692eb0aaf79c0dbf6729af

Aliases

arxiv: 1708.01029 · arxiv_version: 1708.01029v1 · doi: 10.48550/arxiv.1708.01029 · pith_short_12: G2YSURKVW3P6 · pith_short_16: G2YSURKVW3P63DAL · pith_short_8: G2YSURKV

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/G2YSURKVW3P63DALWLGGGDEE5Z \
  | 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: 36b12a4555b6dfed8c0bb2cc630c84ee63a2f94434692eb0aaf79c0dbf6729af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2cd76d1c4f3f7b99ee316db44857cc1797dede6c7610ea7932b1aefefc89359",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-08-03T07:23:16Z",
    "title_canon_sha256": "02ef0a583240e60dcddf229ae15a5bcc023fc7ed35197fb37ae901e57bd19107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01029",
    "kind": "arxiv",
    "version": 1
  }
}