Pith Number

pith:JEHHTCPW

pith:2011:JEHHTCPWTIRDIM5KYLQELUUVDU

not attested not anchored not stored refs pending

On homotopy types of limits of semi-algebraic sets and additive complexity of polynomials

Sal Barone, Saugata Basu

arxiv:1102.0080 v3 · 2011-02-01 · math.AG · math.AT · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JEHHTCPWTIRDIM5KYLQELUUVDU}

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	2026-05-18T03:53:07.203401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

490e7989f69a223433aac2e045d2951d207d2f0c3ddc0e796f7a892a61d12abf

Aliases

arxiv: 1102.0080 · arxiv_version: 1102.0080v3 · doi: 10.48550/arxiv.1102.0080 · pith_short_12: JEHHTCPWTIRD · pith_short_16: JEHHTCPWTIRDIM5K · pith_short_8: JEHHTCPW

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/JEHHTCPWTIRDIM5KYLQELUUVDU \
  | 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: 490e7989f69a223433aac2e045d2951d207d2f0c3ddc0e796f7a892a61d12abf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0d68aa578ff6365cab725f42b6bc86ae162e827c7fb6bd44a0c6d0b4d7852e5",
    "cross_cats_sorted": [
      "math.AT",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-02-01T05:42:38Z",
    "title_canon_sha256": "cca4dbd2ccaf9ac8b81bec7774dd134c329484c5107760cf788f4da8e4110542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0080",
    "kind": "arxiv",
    "version": 3
  }
}