Pith Number

pith:DQXYYZSL

pith:2015:DQXYYZSLQXWNKSGZHEJMRBHIBR

not attested not anchored not stored refs pending

Parsing as Reduction

Andr\'e F. T. Martins, Daniel Fern\'andez-Gonz\'alez

arxiv:1503.00030 v1 · 2015-02-27 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQXYYZSLQXWNKSGZHEJMRBHIBR}

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	2026-05-18T02:25:55.321162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c2f8c664b85ecd548d93912c884e80c63f5288d258c732dfaab855f8fc84d89

Aliases

arxiv: 1503.00030 · arxiv_version: 1503.00030v1 · doi: 10.48550/arxiv.1503.00030 · pith_short_12: DQXYYZSLQXWN · pith_short_16: DQXYYZSLQXWNKSGZ · pith_short_8: DQXYYZSL

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/DQXYYZSLQXWNKSGZHEJMRBHIBR \
  | 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: 1c2f8c664b85ecd548d93912c884e80c63f5288d258c732dfaab855f8fc84d89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74b9e1b077b8216f08f7d3c34f445c7f68d2e309c950512a3c6e1800c76a9453",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-02-27T22:52:37Z",
    "title_canon_sha256": "2506c912c1c94435a69ae6608bea34de2adc915c2a16a58c94af87cfc88f4f79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00030",
    "kind": "arxiv",
    "version": 1
  }
}