Pith Number

pith:GC7Y7SJ5

pith:2016:GC7Y7SJ56KJO4K3IXRLWXI53EM

not attested not anchored not stored refs pending

Cutting Algebraic Curves into Pseudo-segments and Applications

Joshua Zahl, Micha Sharir

arxiv:1604.07877 v1 · 2016-04-26 · math.CO · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GC7Y7SJ56KJO4K3IXRLWXI53EM}

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	2026-05-18T00:11:19.352106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30bf8fc93df292ee2b68bc576ba3bb230ddc4904873882754c7409207f34dd49

Aliases

arxiv: 1604.07877 · arxiv_version: 1604.07877v1 · doi: 10.48550/arxiv.1604.07877 · pith_short_12: GC7Y7SJ56KJO · pith_short_16: GC7Y7SJ56KJO4K3I · pith_short_8: GC7Y7SJ5

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/GC7Y7SJ56KJO4K3IXRLWXI53EM \
  | 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: 30bf8fc93df292ee2b68bc576ba3bb230ddc4904873882754c7409207f34dd49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbcddf0d2879caa54346168785d2cd4d4ed508928991690505aef95806515be2",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-04-26T22:31:54Z",
    "title_canon_sha256": "89f6d1db0d43ce22f6a10e68e9be32b9d451700b0c1414ffccadda3f37df1aab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07877",
    "kind": "arxiv",
    "version": 1
  }
}