Pith Number

pith:LKNNKU2J

pith:2003:LKNNKU2JS43SJDDHJHGQWNQCUH

not attested not anchored not stored refs pending

Reanalysis of Copernicus Measurements on Interstellar Carbon Monoxide

S.R. Federman (U. Toledo), T. Crenny (U. Toledo, Wheeling Jesuit U.)

arxiv:astro-ph/0312650 v1 · 2003-12-30 · astro-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{LKNNKU2JS43SJDDHJHGQWNQCUH}

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	2026-05-18T02:40:26.677713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a9ad553499737248c6749cd0b3602a1d6ae7d3c651858612359c30c6c0234a3

Aliases

arxiv: astro-ph/0312650 · arxiv_version: astro-ph/0312650v1 · doi: 10.48550/arxiv.astro-ph/0312650 · pith_short_12: LKNNKU2JS43S · pith_short_16: LKNNKU2JS43SJDDH · pith_short_8: LKNNKU2J

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/LKNNKU2JS43SJDDHJHGQWNQCUH \
  | 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: 5a9ad553499737248c6749cd0b3602a1d6ae7d3c651858612359c30c6c0234a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e974c30d9f6359e7242d03f0fe2f42839fb914cd81f58d17006aaec70c3e4cbe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-12-30T19:18:06Z",
    "title_canon_sha256": "b1cd4682f329aebb15cfe2f8504527e4603001ad3efc8aafe447e4f2836d9784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0312650",
    "kind": "arxiv",
    "version": 1
  }
}