Pith Number

pith:7GH7QC2H

pith:2019:7GH7QC2HNWVD3C3RUGQGRNHDOF

not attested not anchored not stored refs pending

Molecular Gas of the Most Massive Spiral Galaxies I: a Case Study of NGC 5908

Jiang-Tao Li, Joel N. Bregman, Ping Zhou, Xuejian Jiang, Yu Gao

arxiv:1904.05413 v1 · 2019-04-10 · 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{7GH7QC2HNWVD3C3RUGQGRNHDOF}

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	2026-05-17T23:44:54.448089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f98ff80b476daa3d8b71a1a068b4e3715493ef40703875226bb8ff002adb252c

Aliases

arxiv: 1904.05413 · arxiv_version: 1904.05413v1 · doi: 10.48550/arxiv.1904.05413 · pith_short_12: 7GH7QC2HNWVD · pith_short_16: 7GH7QC2HNWVD3C3R · pith_short_8: 7GH7QC2H

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/7GH7QC2HNWVD3C3RUGQGRNHDOF \
  | 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: f98ff80b476daa3d8b71a1a068b4e3715493ef40703875226bb8ff002adb252c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3aaf60d6d0d6f89a25ad148eb00393f0a233482d3841973f6b3b2c80bf55892",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-10T19:56:37Z",
    "title_canon_sha256": "7cd324909e95feb5beca1fa3296023c9c416c249209a8be9f34d7db850560c3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05413",
    "kind": "arxiv",
    "version": 1
  }
}