Pith Number

pith:SKLG5AHO

pith:2013:SKLG5AHOJ64F6AUQV54OXAWTLC

not attested not anchored not stored refs pending

Perturbations to aquatic photosynthesis due to high-energy cosmic ray induced muon flux in the extragalactic shock model

Lien Rodriguez, Oscar Rodriguez, Rolando Cardenas

arxiv:1309.5537 v1 · 2013-09-21 · astro-ph.EP · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKLG5AHOJ64F6AUQV54OXAWTLC}

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	2026-05-18T01:47:34.608142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92966e80ee4fb85f0290af78eb82d358bbe07cd0e3f0198b33cc09eebafe9320

Aliases

arxiv: 1309.5537 · arxiv_version: 1309.5537v1 · doi: 10.48550/arxiv.1309.5537 · pith_short_12: SKLG5AHOJ64F · pith_short_16: SKLG5AHOJ64F6AUQ · pith_short_8: SKLG5AHO

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/SKLG5AHOJ64F6AUQV54OXAWTLC \
  | 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: 92966e80ee4fb85f0290af78eb82d358bbe07cd0e3f0198b33cc09eebafe9320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c4f44d8f694b6db8b47186594267f5967254edfba650d529122bf534bf6a44e",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-09-21T21:57:24Z",
    "title_canon_sha256": "7c833ae4d7723a9df10c066194fbf0b6f288f7271fa5dd9ccd632cb6e44e0bb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5537",
    "kind": "arxiv",
    "version": 1
  }
}