Pith Number

pith:LASJCHEL

pith:2015:LASJCHEL4CTYI3NNPHVPQ3V3FC

not attested not anchored not stored refs pending

UV Spectroscopy of Star-Grazing Comets within the 49 Ceti Debris Disk

Aki Roberge, Barry Welsh, Brittany E. Miles

arxiv:1511.01923 v3 · 2015-11-05 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LASJCHEL4CTYI3NNPHVPQ3V3FC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:12:00.283512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5824911c8be0a7846dad79eaf86ebb28bd584d87d8afc6375ae248fa9bd25d0b

Aliases

arxiv: 1511.01923 · arxiv_version: 1511.01923v3 · doi: 10.48550/arxiv.1511.01923 · pith_short_12: LASJCHEL4CTY · pith_short_16: LASJCHEL4CTYI3NN · pith_short_8: LASJCHEL

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/LASJCHEL4CTYI3NNPHVPQ3V3FC \
  | 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: 5824911c8be0a7846dad79eaf86ebb28bd584d87d8afc6375ae248fa9bd25d0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e40c232708e20df4638881c1df621885a830f2cbbc88e5e5c4986786018a201a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-11-05T21:45:38Z",
    "title_canon_sha256": "9d6a9be5b0bc12ab7ff414db6bf467b808378732eff976e08a502340e27d66fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01923",
    "kind": "arxiv",
    "version": 3
  }
}