Pith Number

pith:AB5LVHTO

pith:2017:AB5LVHTO2COYBZYAJ2WH43UHEA

not attested not anchored not stored refs pending

Approximations from Anywhere and General Rough Sets

A. Mani

arxiv:1704.05443 v1 · 2017-04-18 · math.LO · cs.AI · cs.DM · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AB5LVHTO2COYBZYAJ2WH43UHEA}

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	2026-05-18T00:46:09.224358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

007aba9e6ed09d80e7004eac7e6e8720133e18b8253d22d89aaf908c9e382fa1

Aliases

arxiv: 1704.05443 · arxiv_version: 1704.05443v1 · doi: 10.48550/arxiv.1704.05443 · pith_short_12: AB5LVHTO2COY · pith_short_16: AB5LVHTO2COYBZYA · pith_short_8: AB5LVHTO

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/AB5LVHTO2COYBZYAJ2WH43UHEA \
  | 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: 007aba9e6ed09d80e7004eac7e6e8720133e18b8253d22d89aaf908c9e382fa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "347c3da963d0e18be17a8c7756dbaf823ba3f07d68bf2388aa1c252aafdf80ca",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DM",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-04-18T17:46:58Z",
    "title_canon_sha256": "1d8461522c1c04bbdcef0d54dee080cdeb35acfa74949e32819cc1de8d9d1fcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05443",
    "kind": "arxiv",
    "version": 1
  }
}