Pith Number

pith:U3OZ35JN

pith:2018:U3OZ35JNKMAZINVTG4K2VRK4PZ

not attested not anchored not stored refs pending

Recent progress in Rings and Subrings of Real Valued Measurable Functions

Joshua Sack, Sagarmoy Bag, Soumyadip Acharyya, Sudip Kumar Acharyya

arxiv:1811.02126 v1 · 2018-11-06 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3OZ35JNKMAZINVTG4K2VRK4PZ}

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	2026-05-18T00:01:25.000107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6dd9df52d53019436b33715aac55c7e5afb4c24cd0cec521f5ed671e1ddd77e

Aliases

arxiv: 1811.02126 · arxiv_version: 1811.02126v1 · doi: 10.48550/arxiv.1811.02126 · pith_short_12: U3OZ35JNKMAZ · pith_short_16: U3OZ35JNKMAZINVT · pith_short_8: U3OZ35JN

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/U3OZ35JNKMAZINVTG4K2VRK4PZ \
  | 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: a6dd9df52d53019436b33715aac55c7e5afb4c24cd0cec521f5ed671e1ddd77e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "700c8b9a9b17664a825b6c294d7028dc00601cf939c7c646f21e077fef3349cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-11-06T02:07:59Z",
    "title_canon_sha256": "1397ec65503fade18691b876139bd3ffd6bfddf2ddc84a61e59c1a567b232d6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02126",
    "kind": "arxiv",
    "version": 1
  }
}