Pith Number

pith:TEJXFOKB

pith:2019:TEJXFOKBS7L4KBDDBQXSRXJYVD

not attested not anchored not stored refs pending

Modern stellar spectroscopy caveats

Sergi Blanco-Cuaresma

arxiv:1902.09558 v2 · 2019-02-25 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TEJXFOKBS7L4KBDDBQXSRXJYVD}

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.

Cited by

2 papers in Pith

On the stellar parameter dependence of the combined Fe I and Fe II chromospheric emission-line in the wings of the Ca II K line

Red novae, their progenitors, and remnants

Receipt and verification

First computed	2026-05-17T23:47:57.991724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

991372b94197d7c504630c2f28dd38a8e2973717c93f5b02b351d72bb0b424f7

Aliases

arxiv: 1902.09558 · arxiv_version: 1902.09558v2 · doi: 10.48550/arxiv.1902.09558 · pith_short_12: TEJXFOKBS7L4 · pith_short_16: TEJXFOKBS7L4KBDD · pith_short_8: TEJXFOKB

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/TEJXFOKBS7L4KBDDBQXSRXJYVD \
  | 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: 991372b94197d7c504630c2f28dd38a8e2973717c93f5b02b351d72bb0b424f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9d73523f419d3a0e2514bfe2fa42de29128aa72ad316c56010850f4711ba6d8",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-25T19:00:04Z",
    "title_canon_sha256": "226046020b3cf4d678058be558188c5e97893aac72d9ef3a798811791dee614f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09558",
    "kind": "arxiv",
    "version": 2
  }
}