Pith Number

pith:JYQDEAHP

pith:2015:JYQDEAHPMFKJNTQNHVDVBXMVHF

not attested not anchored not stored refs pending

Soft restrictions on positively curved Riemannian submersions

David Gonz\'alez, Luis Guijarro

arxiv:1501.01813 v2 · 2015-01-08 · 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{JYQDEAHPMFKJNTQNHVDVBXMVHF}

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	2026-05-18T02:27:43.916270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e203200ef615496ce0d3d4750dd95397a37501a826771144f1c34313d8871c6

Aliases

arxiv: 1501.01813 · arxiv_version: 1501.01813v2 · doi: 10.48550/arxiv.1501.01813 · pith_short_12: JYQDEAHPMFKJ · pith_short_16: JYQDEAHPMFKJNTQN · pith_short_8: JYQDEAHP

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/JYQDEAHPMFKJNTQNHVDVBXMVHF \
  | 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: 4e203200ef615496ce0d3d4750dd95397a37501a826771144f1c34313d8871c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e6bafe752a202d50788d143e95f3f04eef46f6625610b7877be224269b542cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-01-08T12:03:04Z",
    "title_canon_sha256": "e491b2094c4c23ded97ec1eb1e03223de802bbd02756d3923078ede368dcccd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01813",
    "kind": "arxiv",
    "version": 2
  }
}