Pith Number

pith:QHH5CXNM

pith:2020:QHH5CXNMLWAIHMVXAFF6PYGEOH

not attested not anchored not stored refs pending

Populating HI gas in dark matter halos: I. method

Antonios Katsianis, Chengze Liu, Haojie Xu, Hong Guo, Xiaohu Yang, Yi Lu, Zhaoyu Wang

arxiv:2008.09804 v1 · 2020-08-22 · 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{QHH5CXNMLWAIHMVXAFF6PYGEOH}

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	2026-07-05T01:29:17.363728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81cfd15dac5d8083b2b7014be7e0c471dc8f4c775ea9ee00fa71862fac5748d1

Aliases

arxiv: 2008.09804 · arxiv_version: 2008.09804v1 · doi: 10.48550/arxiv.2008.09804 · pith_short_12: QHH5CXNMLWAI · pith_short_16: QHH5CXNMLWAIHMVX · pith_short_8: QHH5CXNM

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/QHH5CXNMLWAIHMVXAFF6PYGEOH \
  | 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: 81cfd15dac5d8083b2b7014be7e0c471dc8f4c775ea9ee00fa71862fac5748d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91a622f6b9cdb7a89155883798b16c52c155df03c064c41ffeab14d91fe21381",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-08-22T10:45:05Z",
    "title_canon_sha256": "b83cd852ba0153b04514cfe92160c5ec8cd6fe00d9e78b731853d20e7d7d7d9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.09804",
    "kind": "arxiv",
    "version": 1
  }
}