Pith Number

pith:FOU4LMTA

pith:2017:FOU4LMTAGN3M5OGYNEOGUXUP4W

not attested not anchored not stored refs pending

Metallicity Gradient of the Thick Disc Progenitor at High Redshift

(2) IAC, (3), (4) Hull, 5), (5) JINA-CEE, (6) HITS, 7), (7) ZAH, (8) Nice, (9) Dunlap), ANU, B.K. Gibson (4, C. Allende Prieto (2), C.B. Brook (2), D. Kawata (1), I. Ciuc\u{a} (1), J.A.S. Hunt (9) ((1) MSSL, L. Casagrande (3), M.R. Hayden (8), R.J.J. Grand (6, UCL

arxiv:1706.01474 v2 · 2017-06-05 · 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{FOU4LMTAGN3M5OGYNEOGUXUP4W}

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	2026-05-18T00:31:40.920237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ba9c5b2603376ceb8d8691c6a5e8fe590ba0f729c7273b5b7d63b72546e54e4

Aliases

arxiv: 1706.01474 · arxiv_version: 1706.01474v2 · doi: 10.48550/arxiv.1706.01474 · pith_short_12: FOU4LMTAGN3M · pith_short_16: FOU4LMTAGN3M5OGY · pith_short_8: FOU4LMTA

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/FOU4LMTAGN3M5OGYNEOGUXUP4W \
  | 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: 2ba9c5b2603376ceb8d8691c6a5e8fe590ba0f729c7273b5b7d63b72546e54e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63e805f82329a60377ce2c9cac303f2c41386a5b561c7833c05cf1764e3ec27b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-05T18:03:33Z",
    "title_canon_sha256": "c4a23034c688a66b44c5016e6fb57b52b5724dd0a87d15858d2568701881e7ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01474",
    "kind": "arxiv",
    "version": 2
  }
}