Pith Number

pith:ETB6BLGY

pith:2014:ETB6BLGYQLM4GQQUSSGIEDZ2Y3

not attested not anchored not stored refs pending

Stable stems

Daniel C. Isaksen

arxiv:1407.8418 v2 · 2014-07-31 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ETB6BLGYQLM4GQQUSSGIEDZ2Y3}

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	2026-05-18T02:31:11.287783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24c3e0acd882d9c34214948c820f3ac6dc8039ac427f3a77808a282c38695c58

Aliases

arxiv: 1407.8418 · arxiv_version: 1407.8418v2 · doi: 10.48550/arxiv.1407.8418 · pith_short_12: ETB6BLGYQLM4 · pith_short_16: ETB6BLGYQLM4GQQU · pith_short_8: ETB6BLGY

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/ETB6BLGYQLM4GQQUSSGIEDZ2Y3 \
  | 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: 24c3e0acd882d9c34214948c820f3ac6dc8039ac427f3a77808a282c38695c58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2bb0dc4e6558def755fb3d615d721a6e48c3a0a32ff727c67e3ed731a61c11a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-07-31T14:01:10Z",
    "title_canon_sha256": "221191c4a539ed119f0454d994a7ebc61c94273ec413a212f3c28a5b53e22c65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8418",
    "kind": "arxiv",
    "version": 2
  }
}