Pith Number

pith:IDZ2LERW

pith:2010:IDZ2LERWJOWK6FCB7X477ZOF6Q

not attested not anchored not stored refs pending

Intense ultraviolet perturbations on aquatic primary producers

Jorge Horvath, Mayrene Guimarais, Rolando Cardenas

arxiv:1010.0727 v1 · 2010-10-04 · physics.bio-ph · 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{IDZ2LERWJOWK6FCB7X477ZOF6Q}

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	2026-05-18T02:23:47.008466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40f3a592364bacaf1441fdf9ffe5c5f40c958c3b629692ad1ed5115a029ea26f

Aliases

arxiv: 1010.0727 · arxiv_version: 1010.0727v1 · doi: 10.48550/arxiv.1010.0727 · pith_short_12: IDZ2LERWJOWK · pith_short_16: IDZ2LERWJOWK6FCB · pith_short_8: IDZ2LERW

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/IDZ2LERWJOWK6FCB7X477ZOF6Q \
  | 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: 40f3a592364bacaf1441fdf9ffe5c5f40c958c3b629692ad1ed5115a029ea26f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ba476634464c71d8646d96f82a33423b24fb5a49bec8b63ac5422fbf6fba8e6",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2010-10-04T23:05:48Z",
    "title_canon_sha256": "ce173035b0a713d56c03334c10dc5dbef1838746c5d5480298a0b09e82ac4d0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0727",
    "kind": "arxiv",
    "version": 1
  }
}