Pith Number

pith:YGIPNAQF

pith:2016:YGIPNAQFSRAFWMT7HLPGIDQ4IG

not attested not anchored not stored refs pending

The Ricci tensor of almost parahermitian manifolds

Diego Conti, Federico A. Rossi

arxiv:1605.01890 v3 · 2016-05-06 · 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{YGIPNAQFSRAFWMT7HLPGIDQ4IG}

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	2026-05-18T00:15:05.781843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c190f6820594405b327f3ade640e1c418702de4f3a2924e5c4248f50a5bf7ad5

Aliases

arxiv: 1605.01890 · arxiv_version: 1605.01890v3 · doi: 10.48550/arxiv.1605.01890 · pith_short_12: YGIPNAQFSRAF · pith_short_16: YGIPNAQFSRAFWMT7 · pith_short_8: YGIPNAQF

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/YGIPNAQFSRAFWMT7HLPGIDQ4IG \
  | 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: c190f6820594405b327f3ade640e1c418702de4f3a2924e5c4248f50a5bf7ad5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a077f7be847292e3c263ac09ce0a2fd04e87ad42426938b5f85235cd3d26d67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-05-06T11:16:30Z",
    "title_canon_sha256": "c5d8a7baad673389924ab2130ce2dffe230ff69bcbdfaeb52ef6fa46ec40e723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01890",
    "kind": "arxiv",
    "version": 3
  }
}