Pith Number

pith:MBQNNECP

pith:2019:MBQNNECPYY22C3557DXNL34F5Q

not attested not anchored not stored refs pending

Accounting for Multiplicity in Calculating Eta Earth

Bradley M. S. Hansen, Jon K. Zink

arxiv:1905.01032 v1 · 2019-05-03 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MBQNNECPYY22C3557DXNL34F5Q}

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	2026-05-17T23:45:03.807677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6060d6904fc635a16fbdf8eed5ef85ec07c9a2bb9d6d2482953e9ddc594ce1f1

Aliases

arxiv: 1905.01032 · arxiv_version: 1905.01032v1 · doi: 10.48550/arxiv.1905.01032 · pith_short_12: MBQNNECPYY22 · pith_short_16: MBQNNECPYY22C355 · pith_short_8: MBQNNECP

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/MBQNNECPYY22C3557DXNL34F5Q \
  | 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: 6060d6904fc635a16fbdf8eed5ef85ec07c9a2bb9d6d2482953e9ddc594ce1f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "785685b5caee55818e7c383870e7e3bc3207985f6fe0c8f746adb814dc6fe94d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-05-03T04:25:40Z",
    "title_canon_sha256": "88d2dae70ed68596e05feaa13f0a8905ed4d056e6dbb8b88bb1d081f84c2b74c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01032",
    "kind": "arxiv",
    "version": 1
  }
}