Pith Number

pith:CON64BEP

pith:2017:CON64BEP2EAP34NDN6WVBY3L3U

not attested not anchored not stored refs pending

$\eta$ Carinae's Dusty Homunculus Nebula from Near-Infrared to Submillimeter Wavelengths: Mass, Composition, and Evidence for Fading Opacity

Bruce Swinyard, D. John Hillier, John Black, Krister Nielsen, M. J. Barlow, Patrick W. Morris, Pierre Royer, Theodore R. Gull

arxiv:1706.05112 v1 · 2017-06-15 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CON64BEP2EAP34NDN6WVBY3L3U}

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	2026-05-18T00:41:23.771313Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

139bee048fd100fdf1a36fad50e36bdd0d3147378cbe53eb234d5ebaebecf370

Aliases

arxiv: 1706.05112 · arxiv_version: 1706.05112v1 · doi: 10.48550/arxiv.1706.05112 · pith_short_12: CON64BEP2EAP · pith_short_16: CON64BEP2EAP34ND · pith_short_8: CON64BEP

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/CON64BEP2EAP34NDN6WVBY3L3U \
  | 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: 139bee048fd100fdf1a36fad50e36bdd0d3147378cbe53eb234d5ebaebecf370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e8f063172745d5e3d5236df6f5ad760183d4fa46672a52e65317a83f3a203c0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-06-15T23:24:41Z",
    "title_canon_sha256": "1eab199edb79a8f1aa2d98ed50a760bb8cc7373402a5ed4869d9d2b0e8b1fbb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05112",
    "kind": "arxiv",
    "version": 1
  }
}