Pith Number

pith:RDF2M6F4

pith:2017:RDF2M6F4H7TSXMRIL64FBGNBU7

not attested not anchored not stored refs pending

Challenges of facet analysis and concept placement in universal classifications: the example of architecture in UDC

Aida Slavic, Ana Vukadin

arxiv:1706.07931 v1 · 2017-06-24 · 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{RDF2M6F4H7TSXMRIL64FBGNBU7}

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	2026-05-18T00:41:47.083343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88cba678bc3fe72bb2285fb85099a1a7c1382b8ed3fc733f7531e4a3bdddd70a

Aliases

arxiv: 1706.07931 · arxiv_version: 1706.07931v1 · doi: 10.48550/arxiv.1706.07931 · pith_short_12: RDF2M6F4H7TS · pith_short_16: RDF2M6F4H7TSXMRI · pith_short_8: RDF2M6F4

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/RDF2M6F4H7TSXMRIL64FBGNBU7 \
  | 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: 88cba678bc3fe72bb2285fb85099a1a7c1382b8ed3fc733f7531e4a3bdddd70a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b0774f521697c18283b4cf95b19e215f9989830d509185988351eb89309601c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-06-24T09:55:50Z",
    "title_canon_sha256": "7a8793a002ae46403112470928c677339a903f75b6a75473085d1ba976bada99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07931",
    "kind": "arxiv",
    "version": 1
  }
}