Pith Number

pith:FZG6V4RN

pith:2023:FZG6V4RNUZCEFMGDZR4FFIPKO7

not attested not anchored not stored refs pending

Smooth metrics can hide thin shells

Justin C. Feng

arxiv:2308.11885 v2 · 2023-08-23 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZG6V4RNUZCEFMGDZR4FFIPKO7}

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	2026-07-05T06:48:10.823908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e4deaf22da64442b0c3cc7852a1ea77fca7eeb6f09a8fb0d28f8c226cd76e49

Aliases

arxiv: 2308.11885 · arxiv_version: 2308.11885v2 · doi: 10.48550/arxiv.2308.11885 · pith_short_12: FZG6V4RNUZCE · pith_short_16: FZG6V4RNUZCEFMGD · pith_short_8: FZG6V4RN

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/FZG6V4RNUZCEFMGDZR4FFIPKO7 \
  | 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: 2e4deaf22da64442b0c3cc7852a1ea77fca7eeb6f09a8fb0d28f8c226cd76e49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66ab4eff9f4ae09c165e3a594f6249f7f9b94941cde349c1b399eaacd357859a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-08-23T03:04:38Z",
    "title_canon_sha256": "bb0b9ad36543def29c5c8f9304516eed9a2c9a8ad84422e195cfad68b8e4e126"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.11885",
    "kind": "arxiv",
    "version": 2
  }
}