Pith Number

pith:I6FR3VKJ

pith:2014:I6FR3VKJSSIMFNSBDOMQXZP5C7

not attested not anchored not stored refs pending

Functorial properties of Putnam's homology theory for Smale spaces

D. Brady Killough, Michael F. Whittaker, Robin J. Deeley

arxiv:1407.2992 v2 · 2014-07-11 · math.DS · 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{I6FR3VKJSSIMFNSBDOMQXZP5C7}

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	2026-05-17T23:53:14.295742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

478b1dd5499490c2b6411b990be5fd17d5cdc99d9984c17d5028939e94ba5c42

Aliases

arxiv: 1407.2992 · arxiv_version: 1407.2992v2 · doi: 10.48550/arxiv.1407.2992 · pith_short_12: I6FR3VKJSSIM · pith_short_16: I6FR3VKJSSIMFNSB · pith_short_8: I6FR3VKJ

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/I6FR3VKJSSIMFNSBDOMQXZP5C7 \
  | 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: 478b1dd5499490c2b6411b990be5fd17d5cdc99d9984c17d5028939e94ba5c42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c22c21979920f69adfc6ec3f3554135960098e66d354eedefa786e727b48b49d",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-07-11T00:31:19Z",
    "title_canon_sha256": "084ff7fd14b5decc3ea0b9890f9bb01ccdf63e2e15aae398ef365bc77dcd41cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2992",
    "kind": "arxiv",
    "version": 2
  }
}