Pith Number

pith:TPCYJH3E

pith:2013:TPCYJH3EBFFADBNH6SVHK3HF72

not attested not anchored not stored refs pending

Tests of model predictions for the response of stellar spectra and absorption line indices to element abundance variations

A. de Castro Milone, A. E. Sansom, A. Vazdekis, P. Sanchez-Blazquez

arxiv:1307.4578 v1 · 2013-07-17 · astro-ph.SR · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TPCYJH3EBFFADBNH6SVHK3HF72}

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	2026-05-18T01:48:43.516504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bc5849f64094a0185a7f4aa756ce5fe943a005dd8dc24f9eddb4fdb247aeca5

Aliases

arxiv: 1307.4578 · arxiv_version: 1307.4578v1 · doi: 10.48550/arxiv.1307.4578 · pith_short_12: TPCYJH3EBFFA · pith_short_16: TPCYJH3EBFFADBNH · pith_short_8: TPCYJH3E

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/TPCYJH3EBFFADBNH6SVHK3HF72 \
  | 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: 9bc5849f64094a0185a7f4aa756ce5fe943a005dd8dc24f9eddb4fdb247aeca5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "360b61f3ae0f1f2a0bfd482f1cf6df5d89f03345f80f67744b3af5e96161c97c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-17T11:07:48Z",
    "title_canon_sha256": "8dd46619a7823a0ead7ed6a5ff04d421748c8c61ca8d79787cf3cf37f19b4151"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4578",
    "kind": "arxiv",
    "version": 1
  }
}