Pith Number

pith:BPLDVWS6

pith:2014:BPLDVWS6FWAFIWJTJTEEFJA35X

not attested not anchored not stored refs pending

On a generalization of criteria A and D for congruence of triangles

Julia Ninova, Vesselka Mihova

arxiv:1401.5905 v2 · 2014-01-23 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPLDVWS6FWAFIWJTJTEEFJA35X}

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	2026-05-18T01:24:11.321880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bd63ada5e2d805459334cc842a41bedebf9580d1bcc0118e5574eccb308a74a

Aliases

arxiv: 1401.5905 · arxiv_version: 1401.5905v2 · doi: 10.48550/arxiv.1401.5905 · pith_short_12: BPLDVWS6FWAF · pith_short_16: BPLDVWS6FWAFIWJT · pith_short_8: BPLDVWS6

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/BPLDVWS6FWAFIWJTJTEEFJA35X \
  | 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: 0bd63ada5e2d805459334cc842a41bedebf9580d1bcc0118e5574eccb308a74a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf95ec99a74f2370de1a82c07c70e370ab7c248e23a524392e18f8ef68fefdd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2014-01-23T09:28:39Z",
    "title_canon_sha256": "cb631ecd83fb4d27a56f73d890df29e3a1c88b3ed10dd02c154b65d4a02eb468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5905",
    "kind": "arxiv",
    "version": 2
  }
}