Pith Number

pith:XCOANRH7

pith:2023:XCOANRH76L62ETDFL2ADS7XSYH

not attested not anchored not stored refs pending

Revisiting the classics: On the evolutionary origin of the "Fe II" and "He/N" spectral classes of novae

A. Ederoclite, A. Kniazev, B. D. Metzger, B. J. Shappee, D. A. H. Buckley, E. Aydi, F. M. Walter, I. Mollina, J. D. Linford, J. L. Sokoloski, J. Mikolajewska, J. Strader, K. J. Shen, K. Mukai, K. V. Sokolovsky, L. Chomiuk, L. Izzo, M. Orio, P. Molaro, R. E. Williams, R. Kyer, R. Urquhart, T. Panurach, U. Munari

arxiv:2309.07097 v2 · 2023-09-13 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XCOANRH76L62ETDFL2ADS7XSYH}

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	2026-07-05T07:05:47.624182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b89c06c4fff2fda24c655e80397ef2c1da8f5eb1ca1c8795f997a1d65c133324

Aliases

arxiv: 2309.07097 · arxiv_version: 2309.07097v2 · doi: 10.48550/arxiv.2309.07097 · pith_short_12: XCOANRH76L62 · pith_short_16: XCOANRH76L62ETDF · pith_short_8: XCOANRH7

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/XCOANRH76L62ETDFL2ADS7XSYH \
  | 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: b89c06c4fff2fda24c655e80397ef2c1da8f5eb1ca1c8795f997a1d65c133324

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b853bfb4cf359ce59c070a6791c6cd878ed85a3c8d26099456c280b56a0ed90",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-09-13T17:15:10Z",
    "title_canon_sha256": "e0037dea2f10da187c0d53f9088d65859347f08c84b34e2e9e876c4b754a6521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.07097",
    "kind": "arxiv",
    "version": 2
  }
}