pith. sign in
Pith Number

pith:APZZHMVB

pith:2010:APZZHMVBAETV67TNFCV5QLP3S2
not attested not anchored not stored refs pending

Emoticonsciousness

Carl Vogel, Jerom Janssen

arxiv:1011.2922 v1 · 2010-11-12 · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{APZZHMVBAETV67TNFCV5QLP3S2}

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 2026-05-18T04:36:07.824625Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

03f393b2a101275f7e6d28abd82dfb96bdb53d9b23ba1f7e50675835e91a6a3e

Aliases

arxiv: 1011.2922 · arxiv_version: 1011.2922v1 · doi: 10.48550/arxiv.1011.2922 · pith_short_12: APZZHMVBAETV · pith_short_16: APZZHMVBAETV67TN · pith_short_8: APZZHMVB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/APZZHMVBAETV67TNFCV5QLP3S2 \
  | 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: 03f393b2a101275f7e6d28abd82dfb96bdb53d9b23ba1f7e50675835e91a6a3e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "53e6c0dbe8da009a2d0c13dd70247ba05dd65a771aff56512f88fe79e6aa3859",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2010-11-12T14:43:04Z",
    "title_canon_sha256": "5e4318090068700f72873c76de56f5a17ffb02763062fadbbbf0e4051de13cfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2922",
    "kind": "arxiv",
    "version": 1
  }
}