Pith Number

pith:FON7I3RJ

pith:2019:FON7I3RJPELRLFYTBRWEUWQU7O

not attested not anchored not stored refs pending

A new class of austere submanifolds

M. Dajczer, Th. Vlachos

arxiv:1902.06058 v2 · 2019-02-16 · 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{FON7I3RJPELRLFYTBRWEUWQU7O}

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	2026-05-17T23:52:50.824815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b9bf46e2979171597130c6c4a5a14fb819cb11d2dca03d5dd4869e3ba99e019

Aliases

arxiv: 1902.06058 · arxiv_version: 1902.06058v2 · doi: 10.48550/arxiv.1902.06058 · pith_short_12: FON7I3RJPELR · pith_short_16: FON7I3RJPELRLFYT · pith_short_8: FON7I3RJ

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/FON7I3RJPELRLFYTBRWEUWQU7O \
  | 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: 2b9bf46e2979171597130c6c4a5a14fb819cb11d2dca03d5dd4869e3ba99e019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcb989e88c2358486c6f3a55f22509692f6a26781f749b0baf3e6cd7d4fb30d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-02-16T07:37:57Z",
    "title_canon_sha256": "f278ab5561ff5912be775b6ea8bd8142412a52c5e723859cfbc0e9489bf45a15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06058",
    "kind": "arxiv",
    "version": 2
  }
}