Pith Number

pith:36AIPQLE

pith:2017:36AIPQLETBZ2FMPM5U57XKZNPA

not attested not anchored not stored refs pending

A rapid cosmic-ray increase in BC 3372-3371 from ancient buried tree rings in China

F. Y. Wang, H. Yu, K. S. Cheng, Y. C. Zou, Z. G. Dai

arxiv:1711.04947 v1 · 2017-11-14 · astro-ph.HE · 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{36AIPQLETBZ2FMPM5U57XKZNPA}

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	2026-05-18T00:30:35.371685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df8087c1649873a2b1eced3bfbab2d7800f47370c8c1106f680778222b9f5816

Aliases

arxiv: 1711.04947 · arxiv_version: 1711.04947v1 · doi: 10.48550/arxiv.1711.04947 · pith_short_12: 36AIPQLETBZ2 · pith_short_16: 36AIPQLETBZ2FMPM · pith_short_8: 36AIPQLE

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/36AIPQLETBZ2FMPM5U57XKZNPA \
  | 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: df8087c1649873a2b1eced3bfbab2d7800f47370c8c1106f680778222b9f5816

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f10d476a3249a6667a141517dedc992a7e85f93945a82e0726c94594efa484fc",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-11-14T04:37:19Z",
    "title_canon_sha256": "0091d753f6e4a066e906a991cde49ee8e499839e3189d133fd7e5ccdbea8b24d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04947",
    "kind": "arxiv",
    "version": 1
  }
}