Pith Number

pith:SOGHRFJL

pith:2018:SOGHRFJLT4O3U7R32YBX2OXFI3

not attested not anchored not stored refs pending

Metal Pollution of Low-Mass Population III Stars through Accretion of Interstellar Objects like `Oumuamua

Ataru Tanikawa, Takeru K. Suzuki, Yasuo Doi

arxiv:1804.08200 v2 · 2018-04-23 · astro-ph.SR · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SOGHRFJLT4O3U7R32YBX2OXFI3}

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	2026-05-18T00:10:37.828579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

938c78952b9f1dba7e3bd6037d3ae546c0bcef642f5a4a83618e7aa4b0416089

Aliases

arxiv: 1804.08200 · arxiv_version: 1804.08200v2 · doi: 10.48550/arxiv.1804.08200 · pith_short_12: SOGHRFJLT4O3 · pith_short_16: SOGHRFJLT4O3U7R3 · pith_short_8: SOGHRFJL

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/SOGHRFJLT4O3U7R32YBX2OXFI3 \
  | 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: 938c78952b9f1dba7e3bd6037d3ae546c0bcef642f5a4a83618e7aa4b0416089

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58227f36806b4d35e15437a93e59f68eb78ae17c816686557c8d7776bca52f10",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-23T00:26:47Z",
    "title_canon_sha256": "8e127503fbb4d9f6f63c8350302ebfe159da516525e1c6f0e7888c4471d9f0a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08200",
    "kind": "arxiv",
    "version": 2
  }
}