Pith Number

pith:EPCY2J2R

pith:2016:EPCY2J2RC6P476X2RLSQ5M5B6U

not attested not anchored not stored refs pending

On totally umbilical isometric immersions with a special kind of Liouville metric in the R3 space

Alexander Pigazzini

arxiv:1608.01175 v3 · 2016-08-02 · 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{EPCY2J2RC6P476X2RLSQ5M5B6U}

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	2026-05-18T00:06:31.187117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23c58d2751179fcffafa8ae50eb3a1f5341be3bf749d7c6a4f1f6312152286d2

Aliases

arxiv: 1608.01175 · arxiv_version: 1608.01175v3 · doi: 10.48550/arxiv.1608.01175 · pith_short_12: EPCY2J2RC6P4 · pith_short_16: EPCY2J2RC6P476X2 · pith_short_8: EPCY2J2R

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/EPCY2J2RC6P476X2RLSQ5M5B6U \
  | 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: 23c58d2751179fcffafa8ae50eb3a1f5341be3bf749d7c6a4f1f6312152286d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5b84cc5d78e0ada43d9563b07c0dcd21085066b0964a3bc0f18d1edbe9770e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-08-02T12:15:54Z",
    "title_canon_sha256": "a640fa60864fa3e1a05bba31850f79a7e2dd33a1d92bae97d865956a3d8844ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01175",
    "kind": "arxiv",
    "version": 3
  }
}