Pith Number

pith:FQS45MJ3

pith:2014:FQS45MJ323OQGJGNEZEFS5Y7LJ

not attested not anchored not stored refs pending

Old stellar systems in UV: resolved and integrated properties

Astronomy), E. Dalessandro (University of Bologna - Department of Physics

arxiv:1402.3938 v1 · 2014-02-17 · 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{FQS45MJ323OQGJGNEZEFS5Y7LJ}

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	2026-05-18T01:44:37.403041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c25ceb13bd6dd0324cd264859771f5a766af22e5e48dcef67edeceb92c142f0

Aliases

arxiv: 1402.3938 · arxiv_version: 1402.3938v1 · doi: 10.48550/arxiv.1402.3938 · pith_short_12: FQS45MJ323OQ · pith_short_16: FQS45MJ323OQGJGN · pith_short_8: FQS45MJ3

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/FQS45MJ323OQGJGNEZEFS5Y7LJ \
  | 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: 2c25ceb13bd6dd0324cd264859771f5a766af22e5e48dcef67edeceb92c142f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6c9ffab7b1e74353b25cdedfe5bb5d703b685c2c1046a8667ac52eefe585ab6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-02-17T09:31:20Z",
    "title_canon_sha256": "e4f8009d55a6b27c8d97d46a5444f197e3feeeb9b5af77cf4065f5973805c334"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3938",
    "kind": "arxiv",
    "version": 1
  }
}