Pith Number

pith:R3TRUWW7

pith:2015:R3TRUWW7QDZRH7DSYO2UM4CKOW

not attested not anchored not stored refs pending

Stellar populations of the bulges of four spiral galaxies

A. Pizzella, E. Dalla Bont\`a, E. M. Corsini, J. M\'endez-Abreu, L. Coccato, L.Morelli, M. Parmiggiani

arxiv:1501.07178 v1 · 2015-01-28 · 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{R3TRUWW7QDZRH7DSYO2UM4CKOW}

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	2026-05-18T01:41:06.115397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ee71a5adf80f313fc72c3b546704a75ab41cbb0617e2caf41d4d2ccbae788de

Aliases

arxiv: 1501.07178 · arxiv_version: 1501.07178v1 · doi: 10.48550/arxiv.1501.07178 · pith_short_12: R3TRUWW7QDZR · pith_short_16: R3TRUWW7QDZRH7DS · pith_short_8: R3TRUWW7

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/R3TRUWW7QDZRH7DSYO2UM4CKOW \
  | 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: 8ee71a5adf80f313fc72c3b546704a75ab41cbb0617e2caf41d4d2ccbae788de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28f11453f11fe02ad21bf07279c490123adf90b03a1a6d144d4ee185f65e0ec7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-28T16:28:26Z",
    "title_canon_sha256": "1fe4003e3df8273b82aa382a1b7c6b30646dcf0ddf811794ab8a10f5f3ef1de0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07178",
    "kind": "arxiv",
    "version": 1
  }
}