Pith Number

pith:XOVT3VSI

pith:2016:XOVT3VSIU4QVDTALCW6YXS5WZS

not attested not anchored not stored refs pending

The transfer map of free loop spaces

Cary Malkiewich, John A. Lind

arxiv:1604.03067 v2 · 2016-04-11 · 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{XOVT3VSIU4QVDTALCW6YXS5WZS}

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	2026-05-18T00:25:42.517023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbab3dd648a72151cc0b15bd8bcbb6ccaf3ca0e7ed0afb7098f04993af344e48

Aliases

arxiv: 1604.03067 · arxiv_version: 1604.03067v2 · doi: 10.48550/arxiv.1604.03067 · pith_short_12: XOVT3VSIU4QV · pith_short_16: XOVT3VSIU4QVDTAL · pith_short_8: XOVT3VSI

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/XOVT3VSIU4QVDTALCW6YXS5WZS \
  | 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: bbab3dd648a72151cc0b15bd8bcbb6ccaf3ca0e7ed0afb7098f04993af344e48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfdbfb0a131214a5a293525e2240c3c211571b9607a875007e8015559d77c504",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-04-11T18:57:35Z",
    "title_canon_sha256": "5a6eef01d38907dfa9a8006e1f27f0798c417863f67fb86bdae4d517f7f03777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03067",
    "kind": "arxiv",
    "version": 2
  }
}