Pith Number

pith:Q3J4XLVK

pith:2015:Q3J4XLVKHPWXDMGD6JFNOM5OWV

not attested not anchored not stored refs pending

Explicit Examples in $NK_{1}$

Scott Schmieding

arxiv:1506.07418 v1 · 2015-06-24 · math.KT · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3J4XLVKHPWXDMGD6JFNOM5OWV}

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	2026-05-18T01:39:54.090974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86d3cbaeaa3bed71b0c3f24ad733aeb575b681612e11a7ccf0d98e31c49a1427

Aliases

arxiv: 1506.07418 · arxiv_version: 1506.07418v1 · doi: 10.48550/arxiv.1506.07418 · pith_short_12: Q3J4XLVKHPWX · pith_short_16: Q3J4XLVKHPWXDMGD · pith_short_8: Q3J4XLVK

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/Q3J4XLVKHPWXDMGD6JFNOM5OWV \
  | 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: 86d3cbaeaa3bed71b0c3f24ad733aeb575b681612e11a7ccf0d98e31c49a1427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2be1086db0e0f1fffd74c5159ca7dd1670003ca12b4b1bf7350b6d6f55829046",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2015-06-24T15:19:04Z",
    "title_canon_sha256": "a8df2dfb5f568b274534fd329038b9f3fe8f60489dff7540c66b77f130471c93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07418",
    "kind": "arxiv",
    "version": 1
  }
}