Pith Number

pith:ZLWF35SW

pith:2017:ZLWF35SWYV4YY6Q5G3LW3FSEHZ

not attested not anchored not stored refs pending

A generalization of Neumann's Question

A. Ahmadkhah, M. Zarrin, S. Marzang

arxiv:1801.00113 v1 · 2017-12-30 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLWF35SWYV4YY6Q5G3LW3FSEHZ}

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	2026-05-18T00:26:59.378738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caec5df656c5798c7a1d36d76d96443e69c7396ce4b3038ddd8aa93118b474cf

Aliases

arxiv: 1801.00113 · arxiv_version: 1801.00113v1 · doi: 10.48550/arxiv.1801.00113 · pith_short_12: ZLWF35SWYV4Y · pith_short_16: ZLWF35SWYV4YY6Q5 · pith_short_8: ZLWF35SW

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/ZLWF35SWYV4YY6Q5G3LW3FSEHZ \
  | 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: caec5df656c5798c7a1d36d76d96443e69c7396ce4b3038ddd8aa93118b474cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c063cb90432922cb5935e5e4ba621055133a969c7e63b412bcdda9a6c81e0a4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-12-30T10:52:59Z",
    "title_canon_sha256": "57614e39a2aec2125e3d373de0a9cc57e16933592b8d58f3f172e8114f190ee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00113",
    "kind": "arxiv",
    "version": 1
  }
}