Pith Number

pith:6V5R7FSN

pith:2025:6V5R7FSNY6WFAMVY22YPF64GVJ

not attested not anchored not stored refs pending

Quantitative Mapping of the Loeb Scale

Abraham Loeb, Oem Trivedi

arxiv:2509.06253 v1 · 2025-09-08 · astro-ph.EP · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6V5R7FSNY6WFAMVY22YPF64GVJ}

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	2026-07-05T12:06:32.390298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f57b1f964dc7ac5032b8d6b0f2fb86aa799c1b366253a8f0537bee86520a4814

Aliases

arxiv: 2509.06253 · arxiv_version: 2509.06253v1 · doi: 10.48550/arxiv.2509.06253 · pith_short_12: 6V5R7FSNY6WF · pith_short_16: 6V5R7FSNY6WFAMVY · pith_short_8: 6V5R7FSN

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/6V5R7FSNY6WFAMVY22YPF64GVJ \
  | 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: f57b1f964dc7ac5032b8d6b0f2fb86aa799c1b366253a8f0537bee86520a4814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f28cb2257682bcac8a6938fd9620a4b0ddae483998c1b05e2c5eb3ab8a016699",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-09-08T00:29:10Z",
    "title_canon_sha256": "1cc48d3fd1a3b9abfa752e3839ce6e6e822f65e43eef3c0047c1aded52e6e581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.06253",
    "kind": "arxiv",
    "version": 1
  }
}