Pith Number

pith:EJI5UQMC

pith:2012:EJI5UQMCZGWUOSGOJZBCV2AK6J

not attested not anchored not stored refs pending

The AMBRE project: A new synthetic grid of high-resolution FGKM stellar spectra

A. Recio-Blanco, B. Plez, C.C. Worley, P. de Laverny

arxiv:1205.2270 v1 · 2012-05-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJI5UQMCZGWUOSGOJZBCV2AK6J}

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	2026-05-18T01:57:33.882664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2251da4182c9ad4748ce4e422ae80af24b316a3a92c38db3b7b64830b62c9706

Aliases

arxiv: 1205.2270 · arxiv_version: 1205.2270v1 · doi: 10.48550/arxiv.1205.2270 · pith_short_12: EJI5UQMCZGWU · pith_short_16: EJI5UQMCZGWUOSGO · pith_short_8: EJI5UQMC

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/EJI5UQMCZGWUOSGOJZBCV2AK6J \
  | 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: 2251da4182c9ad4748ce4e422ae80af24b316a3a92c38db3b7b64830b62c9706

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b49ab930edc33c65878e6b12a31da92707f754906ad7708db602ccc4ece9101",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-05-10T14:03:22Z",
    "title_canon_sha256": "f093237a86d1aee10bf261780707b2609a39631b0f455a33751dd2fe54f4ac05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2270",
    "kind": "arxiv",
    "version": 1
  }
}