Pith Number

pith:CRA562BT

pith:2015:CRA562BTTH7DT42X7N5IJ4ARDV

not attested not anchored not stored refs pending

The Interstellar Oxygen Crisis, or Where Have All the Oxygen Atoms Gone?

Aigen Li, B.W. Jiang, Shu Wang

arxiv:1508.03404 v1 · 2015-08-14 · 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{CRA562BTTH7DT42X7N5IJ4ARDV}

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	2026-05-18T01:31:31.544816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1441df683399fe39f357fb7a84f0111d6cb80b67f0700df44b56e52d7cf7167b

Aliases

arxiv: 1508.03404 · arxiv_version: 1508.03404v1 · doi: 10.48550/arxiv.1508.03404 · pith_short_12: CRA562BTTH7D · pith_short_16: CRA562BTTH7DT42X · pith_short_8: CRA562BT

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/CRA562BTTH7DT42X7N5IJ4ARDV \
  | 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: 1441df683399fe39f357fb7a84f0111d6cb80b67f0700df44b56e52d7cf7167b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16328c682a0a3291c53b4cbdb530b58753f80d9756b1d0957ac8bcec62a2b19d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-14T02:24:18Z",
    "title_canon_sha256": "22798f3f3da422aac78b02f324e7102b890475edc18b90d7fca342ed33751c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03404",
    "kind": "arxiv",
    "version": 1
  }
}