Pith Number

pith:TZSIK637

pith:2013:TZSIK637P2EKZIYH3MWLNIXUSM

not attested not anchored not stored refs pending

Strata of vector spaces of forms in k[x,y] and of rational curves in P^k

Anthony Iarrobino

arxiv:1306.1282 v2 · 2013-06-06 · math.AC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TZSIK637P2EKZIYH3MWLNIXUSM}

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	2026-05-18T02:20:50.050369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e64857b7f7e88aca307db2cb6a2f4930443fd9e6fb18866d38b08e3bf78463c

Aliases

arxiv: 1306.1282 · arxiv_version: 1306.1282v2 · doi: 10.48550/arxiv.1306.1282 · pith_short_12: TZSIK637P2EK · pith_short_16: TZSIK637P2EKZIYH · pith_short_8: TZSIK637

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/TZSIK637P2EKZIYH3MWLNIXUSM \
  | 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: 9e64857b7f7e88aca307db2cb6a2f4930443fd9e6fb18866d38b08e3bf78463c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad699b0c945e22292197c77d8c06c4ef829b84ceae94d3a68a4929c4bd4a9c19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2013-06-06T02:03:00Z",
    "title_canon_sha256": "c35112019e81b89388b775e5d3c3632302ef5f8492778ed00638600795eb018a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1282",
    "kind": "arxiv",
    "version": 2
  }
}