Pith Number

pith:54SIOI4N

pith:2011:54SIOI4N2VQXNBDGA3VTQ3YETY

not attested not anchored not stored refs pending

Akari Observations of Brown Dwarfs. II CO2 as Probe of Carbon and Oxygen Abundances in Brown Dwarfs

Issei Yamamura, Satoko Sorahana, Takashi Tsuji

arxiv:1105.6303 v1 · 2011-05-31 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54SIOI4N2VQXNBDGA3VTQ3YETY}

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	2026-05-18T02:01:45.416744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef2487238dd56176846606eb386f049e0847dee5f0a7105414e762b6e11a935f

Aliases

arxiv: 1105.6303 · arxiv_version: 1105.6303v1 · doi: 10.48550/arxiv.1105.6303 · pith_short_12: 54SIOI4N2VQX · pith_short_16: 54SIOI4N2VQXNBDG · pith_short_8: 54SIOI4N

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/54SIOI4N2VQXNBDGA3VTQ3YETY \
  | 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: ef2487238dd56176846606eb386f049e0847dee5f0a7105414e762b6e11a935f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e028ced040c3a043ca4246d48116decdae062e4f853e5bd50ef6c9beb5b1958",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-31T14:41:22Z",
    "title_canon_sha256": "9dd0be23c9ea0403884a0d683d77787d6c2bb0f4934de19f306c5b489d14c846"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.6303",
    "kind": "arxiv",
    "version": 1
  }
}