Pith Number

pith:LX4FNX4N

pith:2004:LX4FNX4NVZ3BIMKYKMG4VXMHFY

not attested not anchored not stored refs pending

Waiting in the Wings: Reflected X-ray Emission from the Homunculus Nebula

A. Damineli, D. Bomans, D. J. Hillier, E. Verner, J. A. Morse, J. M. Pittard, K. Davidson, K. Hamaguchi, K. Weis, M. F. Corcoran, N. Collins, N. R. Walborn, N. Smith, R. Petre, S. White, T. Gull, Y. Butt

arxiv:astro-ph/0406180 v1 · 2004-06-07 · 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{LX4FNX4NVZ3BIMKYKMG4VXMHFY}

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	2026-07-04T16:43:57.182190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5df856df8dae76143158530dcadd872e08288b7c467801613ab68fac1f3c4d9c

Aliases

arxiv: astro-ph/0406180 · arxiv_version: astro-ph/0406180v1 · doi: 10.48550/arxiv.astro-ph/0406180 · pith_short_12: LX4FNX4NVZ3B · pith_short_16: LX4FNX4NVZ3BIMKY · pith_short_8: LX4FNX4N

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/LX4FNX4NVZ3BIMKYKMG4VXMHFY \
  | 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: 5df856df8dae76143158530dcadd872e08288b7c467801613ab68fac1f3c4d9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "127f918444e03ab06f46c3725df866e25d43eac3695611b23d91bd91c01735ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-07T18:33:44Z",
    "title_canon_sha256": "8d3effe22920c688a905806c390cbc639a011c8cc2b01f1d69562a7120e24ee7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406180",
    "kind": "arxiv",
    "version": 1
  }
}