Pith Number

pith:R2SL5CC5

pith:2015:R2SL5CC5C57VG5XXJJTHIPUAVQ

not attested not anchored not stored refs pending

Using Google Ngram Viewer for Scientific Referencing and History of Science

A.C. Sparavigna, R. Marazzato

arxiv:1512.01364 v1 · 2015-12-04 · cs.DL · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2SL5CC5C57VG5XXJJTHIPUAVQ}

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	2026-05-18T01:25:17.143071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ea4be885d177f5376f74a66743e80ac091ec25344a85816fcbec2bbe7a8fa90

Aliases

arxiv: 1512.01364 · arxiv_version: 1512.01364v1 · doi: 10.48550/arxiv.1512.01364 · pith_short_12: R2SL5CC5C57V · pith_short_16: R2SL5CC5C57VG5XX · pith_short_8: R2SL5CC5

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/R2SL5CC5C57VG5XXJJTHIPUAVQ \
  | 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: 8ea4be885d177f5376f74a66743e80ac091ec25344a85816fcbec2bbe7a8fa90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2fa686abe414070c9bbb93328dce3d4edb6b1621e797cd99f7dd4d2993b5bf3",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-12-04T10:48:35Z",
    "title_canon_sha256": "34a00b2dc4bf3f402b487e034ecc881580c0d6ad840825c3eebadde206c48bcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01364",
    "kind": "arxiv",
    "version": 1
  }
}