Pith Number

pith:R6SCO2P2

pith:2019:R6SCO2P2X57TFNTAPX6K7BVHPV

not attested not anchored not stored refs pending

Some new theorems on Pentagon and Pentagram

Tran Quang Hung

arxiv:1908.00974 v1 · 2019-08-02 · 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{R6SCO2P2X57TFNTAPX6K7BVHPV}

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	2026-07-04T23:51:25.318967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fa42769fabf7f32b6607dfcaf86a77d79916d6347666a9d6e938209f9dad366

Aliases

arxiv: 1908.00974 · arxiv_version: 1908.00974v1 · doi: 10.48550/arxiv.1908.00974 · pith_short_12: R6SCO2P2X57T · pith_short_16: R6SCO2P2X57TFNTA · pith_short_8: R6SCO2P2

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/R6SCO2P2X57TFNTAPX6K7BVHPV \
  | 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: 8fa42769fabf7f32b6607dfcaf86a77d79916d6347666a9d6e938209f9dad366

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "971e85819f29068b7c70c0915e2277fd8bd73e754732610be65fd637d9bfc949",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2019-08-02T03:12:15Z",
    "title_canon_sha256": "1aa976a9ad063485cc5718df51de42ce8042198e3d2987978cfd6e158906e4d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00974",
    "kind": "arxiv",
    "version": 1
  }
}