Pith Number

pith:GRPLMTGI

pith:2012:GRPLMTGI2D47DWILHXOFLDWWRZ

not attested not anchored not stored refs pending

Metallicity Gradients in Simulated Disk Galaxies

B.K. Gibson, K. Pilkington

arxiv:1201.6417 v2 · 2012-01-31 · 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{GRPLMTGI2D47DWILHXOFLDWWRZ}

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	2026-05-18T04:02:24.778209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

345eb64cc8d0f9f1d90b3ddc558ed68e4fecdf217eec5cbb31402e04107d7ce0

Aliases

arxiv: 1201.6417 · arxiv_version: 1201.6417v2 · doi: 10.48550/arxiv.1201.6417 · pith_short_12: GRPLMTGI2D47 · pith_short_16: GRPLMTGI2D47DWIL · pith_short_8: GRPLMTGI

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/GRPLMTGI2D47DWILHXOFLDWWRZ \
  | 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: 345eb64cc8d0f9f1d90b3ddc558ed68e4fecdf217eec5cbb31402e04107d7ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec2bd560fafaa9c9464d7dd75e96a334e9383a14eee962ecae5a4d86ec985452",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-31T01:48:26Z",
    "title_canon_sha256": "5d68ce937e69f8cda318d0f776c830f2f2b89e78cb7088fafee4dfcb7cf80179"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6417",
    "kind": "arxiv",
    "version": 2
  }
}