Pith Number

pith:MDRO2R6N

pith:2012:MDRO2R6NZWKE7OCLUU553YV7RV

not attested not anchored not stored refs pending

The Gas-Phase Metallicity of Central and Satellite Galaxies in the SDSS

Anna Gallazzi, Anna Pasquali, Frank C. van den Bosch

arxiv:1206.3458 v1 · 2012-06-15 · astro-ph.CO

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

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	2026-05-18T01:56:52.656596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60e2ed47cdcd944fb84ba53bdde2bf8d458ceb76d1de1dcb362634a3235326d3

Aliases

arxiv: 1206.3458 · arxiv_version: 1206.3458v1 · doi: 10.48550/arxiv.1206.3458 · pith_short_12: MDRO2R6NZWKE · pith_short_16: MDRO2R6NZWKE7OCL · pith_short_8: MDRO2R6N

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/MDRO2R6NZWKE7OCLUU553YV7RV \
  | 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: 60e2ed47cdcd944fb84ba53bdde2bf8d458ceb76d1de1dcb362634a3235326d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aee33a6a10a0cf9328f4bbec8e9523fba6f6eb1700813f9c7fff0ba36c45c39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-15T13:17:43Z",
    "title_canon_sha256": "e7c3a528c3b0b1bddf43b88e156315acc63ccb39392a7289223061a64f85c64c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3458",
    "kind": "arxiv",
    "version": 1
  }
}