Pith Number

pith:L4TQOT2B

pith:2014:L4TQOT2BEKRJKHFSSPQQJ6HXID

not attested not anchored not stored refs pending

Detection of a distinct metal-poor stellar halo in the early-type galaxy NGC 3115

Aaron J. Romanowsky, Jay Strader, Jean P. Brodie, Mark B. Peacock

arxiv:1412.2752 v1 · 2014-12-08 · 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{L4TQOT2BEKRJKHFSSPQQJ6HXID}

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	2026-05-18T01:41:20.728895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f27074f4122a2951cb293e104f8f740f16a7905885de8800cdca178a536fac7

Aliases

arxiv: 1412.2752 · arxiv_version: 1412.2752v1 · doi: 10.48550/arxiv.1412.2752 · pith_short_12: L4TQOT2BEKRJ · pith_short_16: L4TQOT2BEKRJKHFS · pith_short_8: L4TQOT2B

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/L4TQOT2BEKRJKHFSSPQQJ6HXID \
  | 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: 5f27074f4122a2951cb293e104f8f740f16a7905885de8800cdca178a536fac7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffe31d6dfcb28e01125ba854f5b30b0c017db2b757dfa1b548527d815d6e90a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-12-08T21:00:02Z",
    "title_canon_sha256": "697db45df1960c405940a0587b8b79067986d11a7e18f59557f000e9ae9cebe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2752",
    "kind": "arxiv",
    "version": 1
  }
}