Pith Number

pith:MKITNDN7

pith:2016:MKITNDN7JFBOT44MKBMBEA23YB

not attested not anchored not stored refs pending

Pythagoras' theorem via equilateral triangles

Andres Navas

arxiv:1604.03808 v1 · 2016-04-12 · 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{MKITNDN7JFBOT44MKBMBEA23YB}

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	2026-05-18T01:17:11.017590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6291368dbf4942e9f38c505812035bc06537aa9f4763ca821993586fa446b621

Aliases

arxiv: 1604.03808 · arxiv_version: 1604.03808v1 · doi: 10.48550/arxiv.1604.03808 · pith_short_12: MKITNDN7JFBO · pith_short_16: MKITNDN7JFBOT44M · pith_short_8: MKITNDN7

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/MKITNDN7JFBOT44MKBMBEA23YB \
  | 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: 6291368dbf4942e9f38c505812035bc06537aa9f4763ca821993586fa446b621

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd3c3daf6873a5111fec8f801c89d14bc4afb3b994c6b1bb7e5be66b110c6e9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2016-04-12T02:10:19Z",
    "title_canon_sha256": "f551fe162cc0dbe786464ba0373df5b16a13b83246360c50ba13e72f62006a48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03808",
    "kind": "arxiv",
    "version": 1
  }
}