pith. sign in
Pith Number

pith:GNE3NUK6

pith:2014:GNE3NUK67PBHGYZHLAZLW4Y6YB
not attested not anchored not stored refs pending

On abstract normalisation beyond neededness

Alejandro Rios, Carlos Lombardi, Delia Kesner, Eduardo Bonelli

arxiv:1412.2118 v3 · 2014-12-05 · cs.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GNE3NUK67PBHGYZHLAZLW4Y6YB}

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 2026-05-18T01:15:23.885478Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3349b6d15efbc27363275832bb731ec06bb85fbc077d114a651ee56a90dbe494

Aliases

arxiv: 1412.2118 · arxiv_version: 1412.2118v3 · doi: 10.48550/arxiv.1412.2118 · pith_short_12: GNE3NUK67PBH · pith_short_16: GNE3NUK67PBHGYZH · pith_short_8: GNE3NUK6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GNE3NUK67PBHGYZHLAZLW4Y6YB \
  | 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: 3349b6d15efbc27363275832bb731ec06bb85fbc077d114a651ee56a90dbe494
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0b7acce5e293583ef444e2ef859dc9f6b8d200216161931c797917a3f8ab5a6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-12-05T19:59:18Z",
    "title_canon_sha256": "e38a8311d214c2f3f77f1ea7607007045c081ef977b9a020ed9dc9f8f6212946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2118",
    "kind": "arxiv",
    "version": 3
  }
}