Pith Number

pith:EYLYDU32

pith:2013:EYLYDU32OGOYWAJQWAFWCYCLST

not attested not anchored not stored refs pending

Stacking from Tags: Clustering Bookmarks around a Theme

Alberto P\'erez Garc\'ia-Plaza, Arkaitz Zubiaga, Raquel Mart\'inez, V\'ictor Fresno

arxiv:1302.4916 v1 · 2013-02-20 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EYLYDU32OGOYWAJQWAFWCYCLST}

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	2026-05-18T03:33:10.637878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

261781d37a719d8b0130b00b61604b94f247fca9b560b53058179c163ed449cc

Aliases

arxiv: 1302.4916 · arxiv_version: 1302.4916v1 · doi: 10.48550/arxiv.1302.4916 · pith_short_12: EYLYDU32OGOY · pith_short_16: EYLYDU32OGOYWAJQ · pith_short_8: EYLYDU32

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/EYLYDU32OGOYWAJQWAFWCYCLST \
  | 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: 261781d37a719d8b0130b00b61604b94f247fca9b560b53058179c163ed449cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40d71b109aafcfa3c6261a41d589d98ab762ca212ada05ec98c2abf652fc04f4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-02-20T14:38:38Z",
    "title_canon_sha256": "6402a10d183f4656180a95ea11c5a426449a5513f6d53400d92a13122d71789b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4916",
    "kind": "arxiv",
    "version": 1
  }
}