Pith Number

pith:GZYEEC2A

pith:2016:GZYEEC2AYBWHEYVKYLTSDOYQS5

not attested not anchored not stored refs pending

The stellar metallicity gradients in galaxy discs in a cosmological scenario

Jos\'e M. Vilchez, Owain N. Snaith, Patricia B. Tissera, Patricia S\'anchez-Bl\'azquez, Rubens E. G. Machado, Sebasti\'an F. S\'anchez, Susana E. Pedrosa

arxiv:1604.08116 v1 · 2016-04-27 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GZYEEC2AYBWHEYVKYLTSDOYQS5}

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	2026-05-18T01:09:35.748100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3670420b40c06c7262aac2e721bb10976d07085d7ce46c6ae95b5d727273dcd0

Aliases

arxiv: 1604.08116 · arxiv_version: 1604.08116v1 · doi: 10.48550/arxiv.1604.08116 · pith_short_12: GZYEEC2AYBWH · pith_short_16: GZYEEC2AYBWHEYVK · pith_short_8: GZYEEC2A

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/GZYEEC2AYBWHEYVKYLTSDOYQS5 \
  | 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: 3670420b40c06c7262aac2e721bb10976d07085d7ce46c6ae95b5d727273dcd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d03bd2800b7695b9abb11e5b1c9430dd92ae521b83c32dfda110c21804b1f17",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-27T15:41:36Z",
    "title_canon_sha256": "af9e3125d1bb7b04424d4d0f2e1725c6e91f401a340f36fd43c7274176904228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08116",
    "kind": "arxiv",
    "version": 1
  }
}