Pith Number

pith:2YYEVJAB

pith:2016:2YYEVJAB7GIOEPBPGH5CQQXFRU

not attested not anchored not stored refs pending

A model for configuration spaces of points

Ricardo Campos, Thomas Willwacher

arxiv:1604.02043 v4 · 2016-04-07 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YYEVJAB7GIOEPBPGH5CQQXFRU}

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.

Cited by

1 paper in Pith

Characteristic classes of framed fibre bundles

Receipt and verification

First computed	2026-07-05T06:36:17.594472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6304aa401f990e23c2f31fa2842e58d0dade3b8daa64ac435fa640f2cd31b60

Aliases

arxiv: 1604.02043 · arxiv_version: 1604.02043v4 · doi: 10.48550/arxiv.1604.02043 · pith_short_12: 2YYEVJAB7GIO · pith_short_16: 2YYEVJAB7GIOEPBP · pith_short_8: 2YYEVJAB

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/2YYEVJAB7GIOEPBPGH5CQQXFRU \
  | 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: d6304aa401f990e23c2f31fa2842e58d0dade3b8daa64ac435fa640f2cd31b60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a3882eb4e5eb36a64d28ec0347e42658afcda6cbf70467ef95713628a3d680d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2016-04-07T15:32:58Z",
    "title_canon_sha256": "c0e6707c253bdbc56fb2c36aa29a112974d00522d667c8ec140e3904894d1d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02043",
    "kind": "arxiv",
    "version": 4
  }
}