Pith Number

pith:AEP4U4BK

pith:2014:AEP4U4BKKOBLXPFET3W2R4U724

not attested not anchored not stored refs pending

In the footsteps of Ebenezer Porter Mason and his nebulae

Carl Knight, Jeff Young, Jeremy Shears, Lee Macdonald, Martin Lewis, Stewart Moore

arxiv:1401.7960 v1 · 2014-01-30 · physics.hist-ph · 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{AEP4U4BKKOBLXPFET3W2R4U724}

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	2026-05-18T03:00:37.770048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

011fca702a5382bbbca49eeda8f29fd729a007f43170735276f09a14504d7d76

Aliases

arxiv: 1401.7960 · arxiv_version: 1401.7960v1 · doi: 10.48550/arxiv.1401.7960 · pith_short_12: AEP4U4BKKOBL · pith_short_16: AEP4U4BKKOBLXPFE · pith_short_8: AEP4U4BK

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/AEP4U4BKKOBLXPFET3W2R4U724 \
  | 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: 011fca702a5382bbbca49eeda8f29fd729a007f43170735276f09a14504d7d76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "286107449b20806debbada548c3cc879cc9fa1f5efb59ab849eeeaf0d3fdbbd9",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2014-01-30T19:18:11Z",
    "title_canon_sha256": "41c3d9a0017ae0adbc497a2d8ee00ace5a71ee1433c97e2ab3edc8bd9b724979"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7960",
    "kind": "arxiv",
    "version": 1
  }
}