Pith Number

pith:IYYVOVYW

pith:2020:IYYVOVYWS4ENAYFULPLPZ33K6X

not attested not anchored not stored refs pending

Evolution of Galaxy Star Formation and Metallicity: Impact on Double Compact Objects Mergers

Alex Sicilia, Andrea Lapi, Darko Donevski, Luigi Danese, Lumen Boco, Martyna Chruslinska

arxiv:2012.02800 v1 · 2020-12-04 · astro-ph.GA · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYYVOVYWS4ENAYFULPLPZ33K6X}

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	2026-07-05T02:15:37.427074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46315757169708d060b45bd6fcef6af5fa908da7f84c2c1464f71b6a76638ad7

Aliases

arxiv: 2012.02800 · arxiv_version: 2012.02800v1 · doi: 10.48550/arxiv.2012.02800 · pith_short_12: IYYVOVYWS4EN · pith_short_16: IYYVOVYWS4ENAYFU · pith_short_8: IYYVOVYW

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/IYYVOVYWS4ENAYFULPLPZ33K6X \
  | 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: 46315757169708d060b45bd6fcef6af5fa908da7f84c2c1464f71b6a76638ad7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f303191b6f5c067c515e5c382414009151e062328474e224e096c4f286d6cd4d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-04T19:00:05Z",
    "title_canon_sha256": "341527d158699d4d33adb34b0b5f71ba07a6f8659644a0f2679f7418b555f2f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.02800",
    "kind": "arxiv",
    "version": 1
  }
}