Pith Number

pith:PJQ6T5AK

pith:2009:PJQ6T5AK2W7VNGH6SXZCJEMLFG

not attested not anchored not stored refs pending

The transmission spectrum of Earth through lunar eclipse observations

Eduardo L. Martin (IAC, Enric Palle (IAC), Maria Rosa Zapatero Osorio (IAC), Pilar Montanes-Rodriguez (IAC), Rafael Barrena (IAC), Univ. Central Florida)

arxiv:0906.2958 v1 · 2009-06-16 · astro-ph.EP · 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{PJQ6T5AK2W7VNGH6SXZCJEMLFG}

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	2026-05-18T02:13:19.727582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a61e9f40ad5bf5698fe95f224918b29be3f132fa80b8a98b437ccff0371fb91

Aliases

arxiv: 0906.2958 · arxiv_version: 0906.2958v1 · doi: 10.48550/arxiv.0906.2958 · pith_short_12: PJQ6T5AK2W7V · pith_short_16: PJQ6T5AK2W7VNGH6 · pith_short_8: PJQ6T5AK

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/PJQ6T5AK2W7VNGH6SXZCJEMLFG \
  | 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: 7a61e9f40ad5bf5698fe95f224918b29be3f132fa80b8a98b437ccff0371fb91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d45eaa2a6a23868e155121e87d97457423cab3d4d1969bbc404a4f06960ebc04",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-06-16T15:24:40Z",
    "title_canon_sha256": "57a0ad7bfda093727d68aa706eae1ef2680ffc009a556d40f855aadde3c22e88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2958",
    "kind": "arxiv",
    "version": 1
  }
}