Pith Number

pith:EHVPPNZW

pith:2016:EHVPPNZW6K4OSHH3MJLSYFYU7Q

not attested not anchored not stored refs pending

Graph Aggregation

Ulle Endriss, Umberto Grandi

arxiv:1609.03765 v1 · 2016-09-13 · 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{EHVPPNZW6K4OSHH3MJLSYFYU7Q}

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	2026-05-18T00:13:38.117840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21eaf7b736f2b8e91cfb62572c1714fc12b82210a5dae4bbda273527cd1e45b8

Aliases

arxiv: 1609.03765 · arxiv_version: 1609.03765v1 · doi: 10.48550/arxiv.1609.03765 · pith_short_12: EHVPPNZW6K4O · pith_short_16: EHVPPNZW6K4OSHH3 · pith_short_8: EHVPPNZW

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/EHVPPNZW6K4OSHH3MJLSYFYU7Q \
  | 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: 21eaf7b736f2b8e91cfb62572c1714fc12b82210a5dae4bbda273527cd1e45b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b0f0983fb66efc8dd8e4819c056eae0a73ffa0da6b62d74344145a548da01ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-09-13T11:08:23Z",
    "title_canon_sha256": "8ff903faaccf84535ed7d3addd6393cacee195bda211b667f93823cde434449b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03765",
    "kind": "arxiv",
    "version": 1
  }
}