Pith Number

pith:AN4JBEMR

pith:2014:AN4JBEMR5BUAFMIVWK7QXTTTWA

not attested not anchored not stored refs pending

Homological Algebra for Diffeological Vector Spaces

Enxin Wu

arxiv:1406.6717 v1 · 2014-06-25 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AN4JBEMR5BUAFMIVWK7QXTTTWA}

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	2026-05-18T02:48:56.085420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0378909191e86802b115b2bf0bce73b03c32dd18d28141272998b95f3d6c0fb7

Aliases

arxiv: 1406.6717 · arxiv_version: 1406.6717v1 · doi: 10.48550/arxiv.1406.6717 · pith_short_12: AN4JBEMR5BUA · pith_short_16: AN4JBEMR5BUAFMIV · pith_short_8: AN4JBEMR

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/AN4JBEMR5BUAFMIVWK7QXTTTWA \
  | 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: 0378909191e86802b115b2bf0bce73b03c32dd18d28141272998b95f3d6c0fb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b20a4f65d867a0b5797ccfb1dbf03e461ad5135327b62d1ee23bd3a6f10c165e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-06-25T21:26:54Z",
    "title_canon_sha256": "f89294a1cabc46829ce1f41ad33f17d7859e55d37c8cd505890dadf7a8377f1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6717",
    "kind": "arxiv",
    "version": 1
  }
}