Pith Number

pith:LKMWRMUR

pith:2016:LKMWRMURLAWNMWMUJ42FKFBVD4

not attested not anchored not stored refs pending

Thermodynamic Explanation for the Cosmic Ubiquity of Organic Pigments

Aleksandar Simeonov, Karo Michaelian

arxiv:1608.08847 v1 · 2016-07-07 · astro-ph.EP · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LKMWRMURLAWNMWMUJ42FKFBVD4}

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	2026-05-18T00:45:15.615087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a9968b291582cd659944f345514351f3fda08575a55660f9d7febc153d785b3

Aliases

arxiv: 1608.08847 · arxiv_version: 1608.08847v1 · doi: 10.48550/arxiv.1608.08847 · pith_short_12: LKMWRMURLAWN · pith_short_16: LKMWRMURLAWNMWMU · pith_short_8: LKMWRMUR

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/LKMWRMURLAWNMWMUJ42FKFBVD4 \
  | 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: 5a9968b291582cd659944f345514351f3fda08575a55660f9d7febc153d785b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11aeffb66a7caf3573dd6d80221ae5f20773cef6cddb6af1a72817f95b038ac9",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-07-07T02:02:25Z",
    "title_canon_sha256": "663f8f732418ad3fca2634ebee20a069f3856516ca176021042f52d929126f6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08847",
    "kind": "arxiv",
    "version": 1
  }
}