Pith Number

pith:JBUIK6WU

pith:2018:JBUIK6WUEPB2PGGAVF7IDX4WJE

not attested not anchored not stored refs pending

A note on bornologies

Igor Protasov

arxiv:1806.04337 v2 · 2018-06-12 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JBUIK6WUEPB2PGGAVF7IDX4WJE}

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	2026-05-18T00:12:31.494910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4868857ad423c3a798c0a97e81df9649333d41424969a53d75a4a893fa8da3ab

Aliases

arxiv: 1806.04337 · arxiv_version: 1806.04337v2 · doi: 10.48550/arxiv.1806.04337 · pith_short_12: JBUIK6WUEPB2 · pith_short_16: JBUIK6WUEPB2PGGA · pith_short_8: JBUIK6WU

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/JBUIK6WUEPB2PGGAVF7IDX4WJE \
  | 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: 4868857ad423c3a798c0a97e81df9649333d41424969a53d75a4a893fa8da3ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c93fd6940fa0183839eb8bf77debdc7ff87839d2c27bdeccbb29d7b8f487cbe4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-06-12T05:36:25Z",
    "title_canon_sha256": "65ce8f2947478d79fad243e1a2479d9ad6d729bfda1910de568a63b934e914f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04337",
    "kind": "arxiv",
    "version": 2
  }
}