Pith Number

pith:2VBUO4R5

pith:2016:2VBUO4R5DQT47XMNDJHWRBCG7V

not attested not anchored not stored refs pending

Harmonic almost Hermitian structures

Johann Davidov

arxiv:1605.06804 v4 · 2016-05-22 · 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{2VBUO4R5DQT47XMNDJHWRBCG7V}

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	2026-05-18T00:58:04.086939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d54347723d1c27cfdd8d1a4f688446fd6d925a4a5f56bbcf42ff465aa2cd7e9d

Aliases

arxiv: 1605.06804 · arxiv_version: 1605.06804v4 · doi: 10.48550/arxiv.1605.06804 · pith_short_12: 2VBUO4R5DQT4 · pith_short_16: 2VBUO4R5DQT47XMN · pith_short_8: 2VBUO4R5

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/2VBUO4R5DQT47XMNDJHWRBCG7V \
  | 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: d54347723d1c27cfdd8d1a4f688446fd6d925a4a5f56bbcf42ff465aa2cd7e9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d5ca43e9d79f6381a882f14e9a02d7e826cb23b4959e34adeb3cccf902586a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-05-22T15:31:49Z",
    "title_canon_sha256": "5db0eb8d6d5962992f36e2510c01ef028d6b85b997dce8c76b59fbf3beb1af45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06804",
    "kind": "arxiv",
    "version": 4
  }
}