Pith Number

pith:DAHX7LGR

pith:2020:DAHX7LGRIPQASMUQ4ULCJHO7PA

not attested not anchored not stored refs pending

Local Group Analogs in $\Lambda$CDM cosmological simulations

Ang Liu, Gang Zhao, Meng Zhai, Qi Guo, Qing Gu

arxiv:2001.09589 v1 · 2020-01-27 · 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{DAHX7LGRIPQASMUQ4ULCJHO7PA}

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	2026-07-05T00:41:57.207802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

180f7facd143e0093290e516249ddf78195ff33b414f04486a1cf5117aef059c

Aliases

arxiv: 2001.09589 · arxiv_version: 2001.09589v1 · doi: 10.48550/arxiv.2001.09589 · pith_short_12: DAHX7LGRIPQA · pith_short_16: DAHX7LGRIPQASMUQ · pith_short_8: DAHX7LGR

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/DAHX7LGRIPQASMUQ4ULCJHO7PA \
  | 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: 180f7facd143e0093290e516249ddf78195ff33b414f04486a1cf5117aef059c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34e89a192de3907b87f871c0ac0fa458b11fcf38062fe1ed8e35f6d4a4e94dfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-27T05:34:01Z",
    "title_canon_sha256": "cca60be51a8a490309cee5a4f1b3aba9b6e2816dc21096a4e1ca1b423d5a2513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.09589",
    "kind": "arxiv",
    "version": 1
  }
}