Pith Number

pith:OQJCCGNM

pith:2014:OQJCCGNM6NWUDRXQXEYODFZACR

not attested not anchored not stored refs pending

The inner solar system cratering record and the evolution of impactor populations

Fumi Yoshida, Lillian R. Ostrach, Renu Malhotra, Robert G. Strom, Takashi Ito, Zhiyong Xiao

arxiv:1407.4521 v1 · 2014-07-16 · 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{OQJCCGNM6NWUDRXQXEYODFZACR}

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	2026-05-18T01:42:35.928392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74122119acf36d41c6f0b930e19720145f1f5c72fa57a7ffe1e65382e0c9a412

Aliases

arxiv: 1407.4521 · arxiv_version: 1407.4521v1 · doi: 10.48550/arxiv.1407.4521 · pith_short_12: OQJCCGNM6NWU · pith_short_16: OQJCCGNM6NWUDRXQ · pith_short_8: OQJCCGNM

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/OQJCCGNM6NWUDRXQXEYODFZACR \
  | 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: 74122119acf36d41c6f0b930e19720145f1f5c72fa57a7ffe1e65382e0c9a412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "145407e264ece33171f160b3dbb85a96aa9388fa803bdae6e1dd1d11ef0618b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-07-16T22:43:49Z",
    "title_canon_sha256": "034792c91b2161a0eefd954f79074c8c91a4542ccc93186384e284ec3683fbb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4521",
    "kind": "arxiv",
    "version": 1
  }
}