Pith Number

pith:HKHXM43Y

pith:2013:HKHXM43YKGYIBLU4VVRD2MQSAW

not attested not anchored not stored refs pending

26Al in the Early Solar System: Not so Unusual After All

E. D. Young (1) ((1) UCLA), M. Jura (1), S. Xu (1)

arxiv:1308.6325 v2 · 2013-08-28 · 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{HKHXM43YKGYIBLU4VVRD2MQSAW}

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	2026-05-18T01:47:57.128670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a8f76737851b080ae9cad623d321205a159aa29af5ccf3268c8ad8884846b4f

Aliases

arxiv: 1308.6325 · arxiv_version: 1308.6325v2 · doi: 10.48550/arxiv.1308.6325 · pith_short_12: HKHXM43YKGYI · pith_short_16: HKHXM43YKGYIBLU4 · pith_short_8: HKHXM43Y

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/HKHXM43YKGYIBLU4VVRD2MQSAW \
  | 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: 3a8f76737851b080ae9cad623d321205a159aa29af5ccf3268c8ad8884846b4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d2a08370d1c544d35afcd34ad8bd076e2fb7e84fc06119d9780860449e15051",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-08-28T22:37:10Z",
    "title_canon_sha256": "ce3360dc17d356629914994ad27ac9a3a315568bd0bab20c1d5351ebd6671c16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6325",
    "kind": "arxiv",
    "version": 2
  }
}