Pith Number

pith:6U2OHYKC

pith:2017:6U2OHYKCZQL35QSUYSSTO2CMIW

not attested not anchored not stored refs pending

On the Glide of 3x+1 Problem

Dingyi Pei, Yuyin Yu

arxiv:1710.01525 v2 · 2017-10-04 · 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{6U2OHYKCZQL35QSUYSSTO2CMIW}

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	2026-05-18T00:33:29.597939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f534e3e142cc17bec254c4a537684c458a6f8424268713bf06c7f32b922133f5

Aliases

arxiv: 1710.01525 · arxiv_version: 1710.01525v2 · doi: 10.48550/arxiv.1710.01525 · pith_short_12: 6U2OHYKCZQL3 · pith_short_16: 6U2OHYKCZQL35QSU · pith_short_8: 6U2OHYKC

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/6U2OHYKCZQL35QSUYSSTO2CMIW \
  | 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: f534e3e142cc17bec254c4a537684c458a6f8424268713bf06c7f32b922133f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5bb988ee2963238a230f3898df2c06bc24fffd4c124e619088c9ab593465869",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-10-04T10:13:42Z",
    "title_canon_sha256": "5427d8268725377e747ad33addf7904489ef2889794d0c1d7ae20f06cafdcc7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01525",
    "kind": "arxiv",
    "version": 2
  }
}