Pith Number

pith:SP53NHCV

pith:2020:SP53NHCVAJZYTMYAXI5EZXJQ6M

not attested not anchored not stored refs pending

Requirements Analysis for an Open Research Knowledge Graph

Anett Hoppe, Arthur Brack, Markus Stocker, Ralph Ewerth, S\"oren Auer

arxiv:2005.10334 v1 · 2020-05-20 · cs.DL · 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{SP53NHCVAJZYTMYAXI5EZXJQ6M}

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	2026-07-05T01:53:20.396126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93fbb69c55027389b300ba3a4cdd30f32a045be8a319852141a4cf07df33ee6a

Aliases

arxiv: 2005.10334 · arxiv_version: 2005.10334v1 · doi: 10.48550/arxiv.2005.10334 · pith_short_12: SP53NHCVAJZY · pith_short_16: SP53NHCVAJZYTMYA · pith_short_8: SP53NHCV

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/SP53NHCVAJZYTMYAXI5EZXJQ6M \
  | 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: 93fbb69c55027389b300ba3a4cdd30f32a045be8a319852141a4cf07df33ee6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0122d887ccd76554529e90c52c1ee0e753a43649a6c80a9479aea3406c085d72",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2020-05-20T19:56:58Z",
    "title_canon_sha256": "3c50ccef821d6bedab237cca5267b992947c8c75e9d13eac3bc1dc14bed6047c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10334",
    "kind": "arxiv",
    "version": 1
  }
}