Pith Number

pith:YHRCE3KD

pith:2019:YHRCE3KDLLC2F6JEUXG5MU66VX

not attested not anchored not stored refs pending

Improving the Projection of Global Structures in Data through Spanning Trees

Daniel Alcaide, Jan Aerts

arxiv:1907.05783 v1 · 2019-07-12 · cs.GR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHRCE3KDLLC2F6JEUXG5MU66VX}

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	2026-05-17T23:40:44.427839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e2226d435ac5a2f924a5cdd653deadf9ca6a07ccbb610575eb35cfea17a28b

Aliases

arxiv: 1907.05783 · arxiv_version: 1907.05783v1 · doi: 10.48550/arxiv.1907.05783 · pith_short_12: YHRCE3KDLLC2 · pith_short_16: YHRCE3KDLLC2F6JE · pith_short_8: YHRCE3KD

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/YHRCE3KDLLC2F6JEUXG5MU66VX \
  | 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: c1e2226d435ac5a2f924a5cdd653deadf9ca6a07ccbb610575eb35cfea17a28b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f73974e31b8defa86b7cd42261c9a77e78b35a2e1d7d9d8dd7ed03612ddb3f2",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2019-07-12T15:11:19Z",
    "title_canon_sha256": "d7e053474492cd886a8c4843e6168c5461c14a90ad6b6106c4d36b943935ad1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05783",
    "kind": "arxiv",
    "version": 1
  }
}