Pith Number

pith:RUNA6PX4

pith:2006:RUNA6PX4FI3PEVWDDECBOGDD3C

not attested not anchored not stored refs pending

Cleaning up Eta Carinae: Detection of Ammonia in the Homunculus

Baerbel S. Koribalski, John Bally, Kate J. Brooks, Nathan Smith

arxiv:astro-ph/0605543 v1 · 2006-05-22 · 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{RUNA6PX4FI3PEVWDDECBOGDD3C}

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	2026-05-18T04:36:21.330630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d1a0f3efc2a36f256c31904171863d8b24e9259b5c970ef7b3be2a3aa87672d

Aliases

arxiv: astro-ph/0605543 · arxiv_version: astro-ph/0605543v1 · doi: 10.48550/arxiv.astro-ph/0605543 · pith_short_12: RUNA6PX4FI3P · pith_short_16: RUNA6PX4FI3PEVWD · pith_short_8: RUNA6PX4

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/RUNA6PX4FI3PEVWDDECBOGDD3C \
  | 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: 8d1a0f3efc2a36f256c31904171863d8b24e9259b5c970ef7b3be2a3aa87672d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f36b0b95ae8ec17f3d73d95835a295cc09f3592d30c14cf33de5bec8db1ebcf5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-22T00:07:04Z",
    "title_canon_sha256": "8d336a20516e876b6826e15807ea06653955d5e1e4953a4802cb2c1b712ec89b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605543",
    "kind": "arxiv",
    "version": 1
  }
}