Pith Number

pith:EGI4SJAD

pith:2015:EGI4SJADQCWFHVBEL6GRKGDFPU

not attested not anchored not stored refs pending

Revisiting homogeneous spaces with positive curvature

Burkhard Wilking, Wolfgang Ziller

arxiv:1503.06256 v1 · 2015-03-21 · 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{EGI4SJADQCWFHVBEL6GRKGDFPU}

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	2026-05-18T02:20:38.938239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2191c9240380ac53d4245f8d1518657d2c59953eaff3437fbccaace086205c02

Aliases

arxiv: 1503.06256 · arxiv_version: 1503.06256v1 · doi: 10.48550/arxiv.1503.06256 · pith_short_12: EGI4SJADQCWF · pith_short_16: EGI4SJADQCWFHVBE · pith_short_8: EGI4SJAD

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/EGI4SJADQCWFHVBEL6GRKGDFPU \
  | 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: 2191c9240380ac53d4245f8d1518657d2c59953eaff3437fbccaace086205c02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11827ecdac2a836413721eb6edb76ede22c38c1f8ff968f59c882ca7099b2988",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-03-21T01:26:10Z",
    "title_canon_sha256": "0477430c8d985e85b90be35e3c80fdd07f1e98fb7453a36e4beed2acfa3bed98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06256",
    "kind": "arxiv",
    "version": 1
  }
}