Pith Number

pith:PV2QUR3F

pith:2013:PV2QUR3FB4RAXRVHO55MI2ORQY

not attested not anchored not stored refs pending

Deeper Into the Folksonomy Graph: FolkRank Adaptations and Extensions for Improved Tag Recommendations

Andreas Hotho, Nathan Griffiths, Nikolas Landia, Robert J\"aschke, Sarabjot Singh Anand, Stephan Doerfel

arxiv:1310.1498 v1 · 2013-10-05 · 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{PV2QUR3FB4RAXRVHO55MI2ORQY}

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	2026-05-18T03:11:11.792652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d750a47650f220bc6a7777ac469d18625636e29926c7f65f8aa41ad628799cb

Aliases

arxiv: 1310.1498 · arxiv_version: 1310.1498v1 · doi: 10.48550/arxiv.1310.1498 · pith_short_12: PV2QUR3FB4RA · pith_short_16: PV2QUR3FB4RAXRVH · pith_short_8: PV2QUR3F

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/PV2QUR3FB4RAXRVHO55MI2ORQY \
  | 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: 7d750a47650f220bc6a7777ac469d18625636e29926c7f65f8aa41ad628799cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d3aaace18dcddc83216e3fe4e687ac810c197502179bbbfc3118e5b807fe33b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-10-05T17:27:42Z",
    "title_canon_sha256": "11d8734d00fa4efb30a2b121c0a66cda3e847ddfb797afc1fa90694062ddf490"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1498",
    "kind": "arxiv",
    "version": 1
  }
}