pith. sign in
Pith Number

pith:2ZRW56HR

pith:2013:2ZRW56HRADUM37EBPUNZZ3WYM5
not attested not anchored not stored refs pending

"Seed+Expand": A validated methodology for creating high quality publication oeuvres of individual researchers

Andrea Scharnhorst, Ed Noyons, Katy Boerner, Linda Reijnhoudt, Rodrigo Costas

arxiv:1301.5177 v2 · 2013-01-22 · cs.DL · cs.IR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2ZRW56HRADUM37EBPUNZZ3WYM5}

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 2026-05-18T03:27:32.118156Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d6636ef8f100e8cdfc817d1b9ceed8674fa57e07fab26b5e1995d7e9616470b6

Aliases

arxiv: 1301.5177 · arxiv_version: 1301.5177v2 · doi: 10.48550/arxiv.1301.5177 · pith_short_12: 2ZRW56HRADUM · pith_short_16: 2ZRW56HRADUM37EB · pith_short_8: 2ZRW56HR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2ZRW56HRADUM37EBPUNZZ3WYM5 \
  | 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: d6636ef8f100e8cdfc817d1b9ceed8674fa57e07fab26b5e1995d7e9616470b6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a3db67b5dcc17cbb570a2b8ba5628f817ae0370a598f73032e9aaeae4362d950",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2013-01-22T13:16:15Z",
    "title_canon_sha256": "a73fb1c25f44837e6e6e1cfa177f2f3dec423eda806667b47cbe8b7521a663b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5177",
    "kind": "arxiv",
    "version": 2
  }
}