Pith Number

pith:3UDZP3DL

pith:2019:3UDZP3DLTPSY2G5H4KQIT35W2L

not attested not anchored not stored refs pending

Rigid properties of generalized $\tau$-quasi Ricci-harmonic metrics

Fanqi Zeng

arxiv:1908.00691 v1 · 2019-08-02 · 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{3UDZP3DLTPSY2G5H4KQIT35W2L}

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	2026-07-04T23:51:08.463190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd0797ec6b9be58d1ba7e2a089efb6d2e6a58e0a683d7a81cb3485592d787815

Aliases

arxiv: 1908.00691 · arxiv_version: 1908.00691v1 · doi: 10.48550/arxiv.1908.00691 · pith_short_12: 3UDZP3DLTPSY · pith_short_16: 3UDZP3DLTPSY2G5H · pith_short_8: 3UDZP3DL

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/3UDZP3DLTPSY2G5H4KQIT35W2L \
  | 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: dd0797ec6b9be58d1ba7e2a089efb6d2e6a58e0a683d7a81cb3485592d787815

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "262775c22e66dba0114b09ed2780c9b79967939a9f36d1e31b413ac24c63a1d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-02T03:18:54Z",
    "title_canon_sha256": "579ef5aa2e5a18d4b7a359b55516497f0b6f2d596615b4e7e28c7ede61a892f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00691",
    "kind": "arxiv",
    "version": 1
  }
}