Pith Number

pith:XQTAXUKI

pith:2016:XQTAXUKILCE6ODYFS6G7E7D75C

not attested not anchored not stored refs pending

Integration of 2-term representations up to homotopy via 2-functors

Cristian Ortiz, Olivier Brahic

arxiv:1608.00664 v1 · 2016-08-02 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQTAXUKILCE6ODYFS6G7E7D75C}

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	2026-05-18T01:10:01.380690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc260bd1485889e70f05978df27c7fe8be0524c57ea496d3958f3fbdc56698d2

Aliases

arxiv: 1608.00664 · arxiv_version: 1608.00664v1 · doi: 10.48550/arxiv.1608.00664 · pith_short_12: XQTAXUKILCE6 · pith_short_16: XQTAXUKILCE6ODYF · pith_short_8: XQTAXUKI

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/XQTAXUKILCE6ODYFS6G7E7D75C \
  | 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: bc260bd1485889e70f05978df27c7fe8be0524c57ea496d3958f3fbdc56698d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff73dadb98fcbfb2594803ee21f1b4d78802129b72789330f1d0f2f3c45ed1ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-08-02T01:00:58Z",
    "title_canon_sha256": "5da89eb584d6de22f758b291f71d29fce7f6de04a28369fc4f35b3f3b311451d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00664",
    "kind": "arxiv",
    "version": 1
  }
}