Pith Number

pith:EDDAXB55

pith:2016:EDDAXB55LGD4I3YNJ4F3VRF7BF

not attested not anchored not stored refs pending

On the Origin of Earth's Moon

Amy C. Barr

arxiv:1608.08959 v2 · 2016-08-31 · 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{EDDAXB55LGD4I3YNJ4F3VRF7BF}

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	2026-05-18T00:30:48.854082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20c60b87bd5987c46f0d4f0bbac4bf096e5304eae717cd97223b60def772df6b

Aliases

arxiv: 1608.08959 · arxiv_version: 1608.08959v2 · doi: 10.48550/arxiv.1608.08959 · pith_short_12: EDDAXB55LGD4 · pith_short_16: EDDAXB55LGD4I3YN · pith_short_8: EDDAXB55

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/EDDAXB55LGD4I3YNJ4F3VRF7BF \
  | 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: 20c60b87bd5987c46f0d4f0bbac4bf096e5304eae717cd97223b60def772df6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b6252b25fcbf53ef1d6639b2fd43769f2bb4761b87371a502988aa7afe5fac2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-08-31T17:34:28Z",
    "title_canon_sha256": "ee20c810274a2d82731cb1b509f829c6071dcc00aaa49b0033f60bf6e8b03cca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08959",
    "kind": "arxiv",
    "version": 2
  }
}