Pith Number

pith:W7BPQ5HH

pith:2018:W7BPQ5HHSE6HWCDT36EUIWPJHF

not attested not anchored not stored refs pending

An Alternative Derivation of the Analytic Expression of Transmission Spectra

Andr\'es Jord\'an, N\'estor Espinoza

arxiv:1808.05610 v1 · 2018-08-16 · 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{W7BPQ5HHSE6HWCDT36EUIWPJHF}

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	2026-05-18T00:07:56.498438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c2f874e7913c7b0873df894459e9397bf751b993472841ed2189b48cea443b

Aliases

arxiv: 1808.05610 · arxiv_version: 1808.05610v1 · doi: 10.48550/arxiv.1808.05610 · pith_short_12: W7BPQ5HHSE6H · pith_short_16: W7BPQ5HHSE6HWCDT · pith_short_8: W7BPQ5HH

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/W7BPQ5HHSE6HWCDT36EUIWPJHF \
  | 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: b7c2f874e7913c7b0873df894459e9397bf751b993472841ed2189b48cea443b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "504040611f274235d591d4d265f9bd1d936e6c258e1347abf4fda3fb68cbd022",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-08-16T17:56:18Z",
    "title_canon_sha256": "ac2fc4a2a5a86e498727959309961de1b1feeeefccb1a2a61d72e2d2f434954c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05610",
    "kind": "arxiv",
    "version": 1
  }
}