Pith Number

pith:SRAVOM6G

pith:2013:SRAVOM6G744OS2CGZD5FRTJFXG

not attested not anchored not stored refs pending

Growth in the number of references in engineering journal papers during the 1972-2013 period

Felipe L\'opez-Fernandino, I\~naki Ucar, Joaqu\'in Sevilla, Laura Sesma-Sanchez, Pablo Rodriguez-Ulibarri, Veronica Urrea-Mic\'o

arxiv:1306.4223 v2 · 2013-06-18 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRAVOM6G744OS2CGZD5FRTJFXG}

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	2026-05-18T00:32:03.397384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94415733c6ff38e96846c8fa58cd25b99e797f253beaaea03cc807c604e115e6

Aliases

arxiv: 1306.4223 · arxiv_version: 1306.4223v2 · doi: 10.48550/arxiv.1306.4223 · pith_short_12: SRAVOM6G744O · pith_short_16: SRAVOM6G744OS2CG · pith_short_8: SRAVOM6G

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/SRAVOM6G744OS2CGZD5FRTJFXG \
  | 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: 94415733c6ff38e96846c8fa58cd25b99e797f253beaaea03cc807c604e115e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6ce66b1552322c63c2b13c72fd3172d925626c67bcde756828337f4a86f1f11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2013-06-18T14:53:59Z",
    "title_canon_sha256": "ed8e8ae6b0dbe19abd7f6293ba052988a38c63ed7316f5b9a39750fe8bbe33a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4223",
    "kind": "arxiv",
    "version": 2
  }
}