Pith Number

pith:QEVT4FGS

pith:2017:QEVT4FGSAV64IEARDAXNC4P2I7

not attested not anchored not stored refs pending

Diophantine approximation by almost equilateral triangles

Daniele Mundici

arxiv:1705.03344 v1 · 2017-05-09 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QEVT4FGSAV64IEARDAXNC4P2I7}

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	2026-05-18T00:44:48.190664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

812b3e14d2057dc41011182ed171fa47ec1c9f30e81dc4b6ba151ec8be4f76a4

Aliases

arxiv: 1705.03344 · arxiv_version: 1705.03344v1 · doi: 10.48550/arxiv.1705.03344 · pith_short_12: QEVT4FGSAV64 · pith_short_16: QEVT4FGSAV64IEAR · pith_short_8: QEVT4FGS

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/QEVT4FGSAV64IEARDAXNC4P2I7 \
  | 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: 812b3e14d2057dc41011182ed171fa47ec1c9f30e81dc4b6ba151ec8be4f76a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "615684ea8e89ef1244924e09b2e203f70cc1b7a07e21d0d0b37acf4502b526d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-05-09T14:23:26Z",
    "title_canon_sha256": "7b37c8c5b6d8b1551aceff55be3dc267270a58af92bd3a7754b2db5a65c2de5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03344",
    "kind": "arxiv",
    "version": 1
  }
}