Pith Number

pith:HFOAAR36

pith:2011:HFOAAR36OPCFXGE3ZLG7ASZPIB

not attested not anchored not stored refs pending

XSL: The X-Shooter Spectral Library

Ariane Lan\c{c}on (Observatoire de Strasbourg), Reynier Peletier (Groningen), Scott Trager (Groningen), Yanping Chen (Groningen)

arxiv:1112.3651 v1 · 2011-12-15 · 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{HFOAAR36OPCFXGE3ZLG7ASZPIB}

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	2026-05-18T04:06:18.049864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

395c00477e73c45b989bcacdf04b2f40764aa60ee70e3e18b5ccf613855a1ee0

Aliases

arxiv: 1112.3651 · arxiv_version: 1112.3651v1 · doi: 10.48550/arxiv.1112.3651 · pith_short_12: HFOAAR36OPCF · pith_short_16: HFOAAR36OPCFXGE3 · pith_short_8: HFOAAR36

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/HFOAAR36OPCFXGE3ZLG7ASZPIB \
  | 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: 395c00477e73c45b989bcacdf04b2f40764aa60ee70e3e18b5ccf613855a1ee0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9d8b4f3880d651c0be5115a3bee55b2e987cb8ef2ecddea22d2158f1dc19541",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-12-15T20:59:35Z",
    "title_canon_sha256": "b990529a077cdcadd5304e27c4c3d60865722c5b19d8120c71917eb12da5129e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3651",
    "kind": "arxiv",
    "version": 1
  }
}