Pith Number

pith:3DSRJVYF

pith:2018:3DSRJVYFKVJMJKERZXDAJLRR6U

not attested not anchored not stored refs pending

A note on the Tangent Cones of the scheme of Secant Loci

Ali Bajravani

arxiv:1812.00580 v1 · 2018-12-03 · 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{3DSRJVYFKVJMJKERZXDAJLRR6U}

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	2026-05-17T23:59:20.967460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8e514d7055552c4a891cdc604ae31f518e057155b2754c8aa12661bffdd1c70

Aliases

arxiv: 1812.00580 · arxiv_version: 1812.00580v1 · doi: 10.48550/arxiv.1812.00580 · pith_short_12: 3DSRJVYFKVJM · pith_short_16: 3DSRJVYFKVJMJKER · pith_short_8: 3DSRJVYF

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/3DSRJVYFKVJMJKERZXDAJLRR6U \
  | 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: d8e514d7055552c4a891cdc604ae31f518e057155b2754c8aa12661bffdd1c70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a1ea3cccdf865adedbd1803062efccb203edb67f2f174441444c03ced77a231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-12-03T07:32:45Z",
    "title_canon_sha256": "4549a0c5f9ad3834d9e2a364147cd9a2e1d472204554952660585e1c55c6bd0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00580",
    "kind": "arxiv",
    "version": 1
  }
}