Pith Number

pith:U3V3Y4WG

pith:2019:U3V3Y4WGI5ZJA3J7V7HI2NRCMP

not attested not anchored not stored refs pending

Graph cohomologies and rational homotopy type of configuration spaces

Erica Minuz, Marcel B\"okstedt

arxiv:1904.01452 v3 · 2019-04-02 · math.AT · math.CT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3V3Y4WGI5ZJA3J7V7HI2NRCMP}

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	2026-07-05T00:59:10.613028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6ebbc72c64772906d3fafce8d362263d6b7de1825cdcadb4a945dbfef39eccc

Aliases

arxiv: 1904.01452 · arxiv_version: 1904.01452v3 · doi: 10.48550/arxiv.1904.01452 · pith_short_12: U3V3Y4WGI5ZJ · pith_short_16: U3V3Y4WGI5ZJA3J7 · pith_short_8: U3V3Y4WG

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/U3V3Y4WGI5ZJA3J7V7HI2NRCMP \
  | 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: a6ebbc72c64772906d3fafce8d362263d6b7de1825cdcadb4a945dbfef39eccc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5093814abffbb2fd9b654f4d7feeee5a668d352ab68a4947270ec3c90030923f",
    "cross_cats_sorted": [
      "math.CT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-04-02T14:17:40Z",
    "title_canon_sha256": "f7bf7a87b67eb78916d05aa5a7c2c145a476d3ae716aa3bb0711b0ec58036563"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01452",
    "kind": "arxiv",
    "version": 3
  }
}