Pith Number

pith:L3L4KLMR

pith:2012:L3L4KLMRCNCVNU72DE5XKMN4R3

not attested not anchored not stored refs pending

Observation of interstellar lithium in the low-metallicity Small Magellanic Cloud

Brian D. Fields, Grant J. Mathews, J. Christopher Howk, Nicolas Lehner

arxiv:1207.3081 v4 · 2012-07-12 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3L4KLMRCNCVNU72DE5XKMN4R3}

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	2026-05-18T02:21:08.333151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ed7c52d91134556d3fa193b7531bc8ec0f5306c2ef6b31e5e5ec34019c566c2

Aliases

arxiv: 1207.3081 · arxiv_version: 1207.3081v4 · doi: 10.48550/arxiv.1207.3081 · pith_short_12: L3L4KLMRCNCV · pith_short_16: L3L4KLMRCNCVNU72 · pith_short_8: L3L4KLMR

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/L3L4KLMRCNCVNU72DE5XKMN4R3 \
  | 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: 5ed7c52d91134556d3fa193b7531bc8ec0f5306c2ef6b31e5e5ec34019c566c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9ab57305c171996f2c60b120a0203f28618382bf0555a12b4de444ecff3916a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-12T20:00:02Z",
    "title_canon_sha256": "ee7f3437795956297b6fe46fd6ed11daaa52bc1f2ced0dd56583583d46ad3b24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3081",
    "kind": "arxiv",
    "version": 4
  }
}