pith. sign in
Pith Number

pith:YQH6CRQD

pith:2017:YQH6CRQDCPL7UWNRIWGREZ5R7H
not attested not anchored not stored refs pending

Building the Brazilian Academic Genealogy Tree

Alberto H. F. Laender, Elias Soares, Fabr\'icio Benevenuto, Wellington Dores

arxiv:1712.09601 v1 · 2017-12-27 · cs.DL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YQH6CRQDCPL7UWNRIWGREZ5R7H}

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 2026-05-18T00:27:07.853451Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c40fe1460313d7fa59b1458d1267b1f9c579a69e70587349f952a60cc4ace3e3

Aliases

arxiv: 1712.09601 · arxiv_version: 1712.09601v1 · doi: 10.48550/arxiv.1712.09601 · pith_short_12: YQH6CRQDCPL7 · pith_short_16: YQH6CRQDCPL7UWNR · pith_short_8: YQH6CRQD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YQH6CRQDCPL7UWNRIWGREZ5R7H \
  | 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: c40fe1460313d7fa59b1458d1267b1f9c579a69e70587349f952a60cc4ace3e3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cd2db24ca2064f7fa6c1f89d0bfb45a0ee6c64f9f3fe22521fc1876a2ba0c0e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-12-27T15:30:17Z",
    "title_canon_sha256": "37c2b8447df1dded68af26e05d878b28e5e3ce8efd93a890a9a003f5cfde650c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09601",
    "kind": "arxiv",
    "version": 1
  }
}