Pith Number

pith:BOIZIZSX

pith:2019:BOIZIZSXSQONFMPAIO5F3ALIJ3

not attested not anchored not stored refs pending

Isometric deformations of mixed type surfaces in Lorentz-Minkowski space

Atsufumi Honda

arxiv:1908.01967 v1 · 2019-08-06 · 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{BOIZIZSXSQONFMPAIO5F3ALIJ3}

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	2026-07-04T23:51:49.824501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b91946657941cd2b1e043ba5d81684ed13c9c196a5c269fa252d99e63ed4f2c

Aliases

arxiv: 1908.01967 · arxiv_version: 1908.01967v1 · doi: 10.48550/arxiv.1908.01967 · pith_short_12: BOIZIZSXSQON · pith_short_16: BOIZIZSXSQONFMPA · pith_short_8: BOIZIZSX

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/BOIZIZSXSQONFMPAIO5F3ALIJ3 \
  | 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: 0b91946657941cd2b1e043ba5d81684ed13c9c196a5c269fa252d99e63ed4f2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa1fb23cf3a210c8cc9121daec6c62f3d1200078ada145f8070e7a897e4fe422",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-08-06T05:57:13Z",
    "title_canon_sha256": "ab65d45aad3c5bad685ea87bbf6a1c77f927ce505b5926e3e775be886b652788"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01967",
    "kind": "arxiv",
    "version": 1
  }
}