Pith Number

pith:R4X4S63R

pith:2020:R4X4S63RKCKMPWKM3ZVLK3X3ZB

not attested not anchored not stored refs pending

A comparison between X-shooter spectra and PHOENIX models across the HR-diagram

A. Arentsen, A. Gonneau, A. Lan\c{c}on, A. Vazdekis, J. Falc\'on-Barroso, K. Verro, L. Martins, M. Lyubenova, P. Coelho, P. Hauschildt, P. Prugniel, P. S\'anchez Bl\'azquez, R. Jain, R. Peletier, S.C. Trager, T.-O. Husser, Y.-P. Chen

arxiv:2012.09129 v1 · 2020-12-16 · 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{R4X4S63RKCKMPWKM3ZVLK3X3ZB}

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	2026-07-05T02:41:10.498904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f2fc97b715094c7d94cde6ab56efbc8471f4c6e7fcafc6b5a9652b8b7d0ce2e

Aliases

arxiv: 2012.09129 · arxiv_version: 2012.09129v1 · doi: 10.48550/arxiv.2012.09129 · pith_short_12: R4X4S63RKCKM · pith_short_16: R4X4S63RKCKMPWKM · pith_short_8: R4X4S63R

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/R4X4S63RKCKMPWKM3ZVLK3X3ZB \
  | 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: 8f2fc97b715094c7d94cde6ab56efbc8471f4c6e7fcafc6b5a9652b8b7d0ce2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3aa9731dd7ce0be63332abf139baa6adc6c5474f9189c67544a7b2e7dd411b10",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-12-16T18:19:01Z",
    "title_canon_sha256": "327015b8626aef3bcc2e149cbfb0db1133dcd91dcfa51188f42a46bca58a31bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09129",
    "kind": "arxiv",
    "version": 1
  }
}