Pith Number

pith:6STSY2OE

pith:2018:6STSY2OEZJNRFPJUBPMLKOTTIK

not attested not anchored not stored refs pending

Hessian Geometry and Phase Changes of Multi-Taub-NUT Metrics

Jian Zhou

arxiv:1801.06631 v1 · 2018-01-20 · math.DG · math.SG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6STSY2OEZJNRFPJUBPMLKOTTIK}

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	2026-05-18T00:25:28.166059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4a72c69c4ca5b12bd340bd8b53a73429e784e46212c5a8961b39b2a2b6035dd

Aliases

arxiv: 1801.06631 · arxiv_version: 1801.06631v1 · doi: 10.48550/arxiv.1801.06631 · pith_short_12: 6STSY2OEZJNR · pith_short_16: 6STSY2OEZJNRFPJU · pith_short_8: 6STSY2OE

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/6STSY2OEZJNRFPJUBPMLKOTTIK \
  | 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: f4a72c69c4ca5b12bd340bd8b53a73429e784e46212c5a8961b39b2a2b6035dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85d8139c9276a1e86f44b105a87851da0900952a5ccc41e8220c6ac2304db681",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-01-20T06:12:29Z",
    "title_canon_sha256": "02a0d21c58434b9b66dacac4dc9cd07a421549c37c32fbc2819cb77327d0e5f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06631",
    "kind": "arxiv",
    "version": 1
  }
}