Pith Number

pith:6FR5DSVG

pith:2014:6FR5DSVGDQTYYRUQBVHMTDSZQW

not attested not anchored not stored refs pending

Homology of infinite loop spaces

D. Kaledin

arxiv:1412.1981 v1 · 2014-12-05 · math.AT · 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{6FR5DSVGDQTYYRUQBVHMTDSZQW}

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	2026-05-18T02:32:05.625300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f163d1caa61c278c46900d4ec98e59858f41a0d866e68c7d87d3b5f84caa40e7

Aliases

arxiv: 1412.1981 · arxiv_version: 1412.1981v1 · doi: 10.48550/arxiv.1412.1981 · pith_short_12: 6FR5DSVGDQTY · pith_short_16: 6FR5DSVGDQTYYRUQ · pith_short_8: 6FR5DSVG

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/6FR5DSVGDQTYYRUQBVHMTDSZQW \
  | 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: f163d1caa61c278c46900d4ec98e59858f41a0d866e68c7d87d3b5f84caa40e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc88571501b5e7d633afe55548ff9136d9e25bc175561f82f5f4252cd065c95c",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-12-05T12:37:10Z",
    "title_canon_sha256": "8b98d2c9d9359f9da9b9f580a95c2044f35c616205fa05ac4d01f86cacb4737e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1981",
    "kind": "arxiv",
    "version": 1
  }
}