Pith Number

pith:XTFWGPFH

pith:2018:XTFWGPFH4NLK2H5QK6YY4GGBCF

not attested not anchored not stored refs pending

Context Spaces as the Cornerstone of a Near-Transparent & Self-Reorganizing Semantic Desktop

Andreas Dengel, Christian Jilek, Heiko Maus, Markus Schr\"oder, Sven Schwarz

arxiv:1805.02181 v1 · 2018-05-06 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTFWGPFH4NLK2H5QK6YY4GGBCF}

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	2026-05-18T00:08:59.888216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bccb633ca7e356ad1fb057b18e18c111681c60a4480600b11097f0beaf8c4330

Aliases

arxiv: 1805.02181 · arxiv_version: 1805.02181v1 · doi: 10.48550/arxiv.1805.02181 · pith_short_12: XTFWGPFH4NLK · pith_short_16: XTFWGPFH4NLK2H5Q · pith_short_8: XTFWGPFH

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/XTFWGPFH4NLK2H5QK6YY4GGBCF \
  | 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: bccb633ca7e356ad1fb057b18e18c111681c60a4480600b11097f0beaf8c4330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2aeabd9f63cd1fcdd92033ffca3691d61c508dd7bee4ab62c48144411aa4f34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-05-06T10:07:13Z",
    "title_canon_sha256": "85290371780dc5ad0d069f65590cff2f997ae9bcaa31f5bac1e397d6a11ba41c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02181",
    "kind": "arxiv",
    "version": 1
  }
}