Pith Number

pith:B736CPL7

pith:2018:B736CPL7LGE24YL75EKKFYOQ7X

not attested not anchored not stored refs pending

Variations on the Boman covering lemma

J. M. Aldaz

arxiv:1812.01876 v1 · 2018-12-05 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B736CPL7LGE24YL75EKKFYOQ7X}

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	2026-05-17T23:59:00.383488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ff7e13d7f5989ae617fe914a2e1d0fde562884340a5248ef9618eaab6d65fd7

Aliases

arxiv: 1812.01876 · arxiv_version: 1812.01876v1 · doi: 10.48550/arxiv.1812.01876 · pith_short_12: B736CPL7LGE2 · pith_short_16: B736CPL7LGE24YL7 · pith_short_8: B736CPL7

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/B736CPL7LGE24YL75EKKFYOQ7X \
  | 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: 0ff7e13d7f5989ae617fe914a2e1d0fde562884340a5248ef9618eaab6d65fd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d897cda4e7535b115c9c1a7b27cd5357d2b58a07523a329fd6459803c38a62a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-12-05T09:43:53Z",
    "title_canon_sha256": "b13c6a55b1ea3172a408ae5a05ecfa9e2c265cec1d020308608876093a3431cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01876",
    "kind": "arxiv",
    "version": 1
  }
}