Pith Number

pith:NQA7EX6C

pith:2017:NQA7EX6CDPWGVIWVTQHDWAPROG

not attested not anchored not stored refs pending

Integrated HI emission in galaxy groups and clusters

Jian Fu, Mei Ai, Ming Zhu

arxiv:1708.01698 v1 · 2017-08-05 · 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{NQA7EX6CDPWGVIWVTQHDWAPROG}

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	2026-05-18T00:03:32.528983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c01f25fc21bec6aa2d59c0e3b01f1719042dcc2bfea2eb7ffa6e582535de75b

Aliases

arxiv: 1708.01698 · arxiv_version: 1708.01698v1 · doi: 10.48550/arxiv.1708.01698 · pith_short_12: NQA7EX6CDPWG · pith_short_16: NQA7EX6CDPWGVIWV · pith_short_8: NQA7EX6C

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/NQA7EX6CDPWGVIWVTQHDWAPROG \
  | 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: 6c01f25fc21bec6aa2d59c0e3b01f1719042dcc2bfea2eb7ffa6e582535de75b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e32ad98f93e34d2c8136b9d31a7f40b9f41910649fba01b011333f3d149d1e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-05T02:04:33Z",
    "title_canon_sha256": "e2ec7a4f45956c7e464ad955c3d658feba9116fd3c8692dd95645c6dca977f61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01698",
    "kind": "arxiv",
    "version": 1
  }
}