Pith Number

pith:B4H6VTUP

pith:2022:B4H6VTUPRNTRLRPA3DWD6WPY3J

not attested not anchored not stored refs pending

Changes in the Na D$_1$ Absorption Components of $\eta$ Carinae Provide Clues on the Location of the Dissipating Central Occulter

Alexis M. Lane, Anthony F. J. Moffat, Augusto Damineli, Connor S. Pickett, D. John Hillier, Emily Strawn, Felipe Navarete, Gerd Weigelt, Henrik Hartman, Noel D. Richardson, Nour Ibrahim, Theodore Gull

arxiv:2208.06389 v1 · 2022-08-12 · 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{B4H6VTUPRNTRLRPA3DWD6WPY3J}

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	2026-07-05T05:05:38.272872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f0feace8f8b6715c5e0d8ec3f59f8da4ce1645e4634b88017e02a3061c95986

Aliases

arxiv: 2208.06389 · arxiv_version: 2208.06389v1 · doi: 10.48550/arxiv.2208.06389 · pith_short_12: B4H6VTUPRNTR · pith_short_16: B4H6VTUPRNTRLRPA · pith_short_8: B4H6VTUP

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/B4H6VTUPRNTRLRPA3DWD6WPY3J \
  | 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: 0f0feace8f8b6715c5e0d8ec3f59f8da4ce1645e4634b88017e02a3061c95986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c98bc26edc48ff247904b79c3a467f7ae442701e1420e82801c21217286c128",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-08-12T17:34:32Z",
    "title_canon_sha256": "921f62d16a48b4fddab75cff5fd3e81fd1dc6a97ff78d05a31247409ed8a8f41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.06389",
    "kind": "arxiv",
    "version": 1
  }
}