Pith Number

pith:7VZVF4WP

pith:2020:7VZVF4WPVZZIC3YIZ4OR55FTIV

not attested not anchored not stored refs pending

The distances of 61 PGCCs in the Second Galactic Quadrant

B.-Q. Chen, G.-x. Li, H.-L. Guo, W.-X. Sun, X.-W. Liu, X.-Y. Li, Y. Huang, Y. Yang

arxiv:2011.02636 v1 · 2020-11-05 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VZVF4WPVZZIC3YIZ4OR55FTIV}

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	2026-07-05T01:52:30.369671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd7352f2cfae72816f08cf1d1ef4b345539983d070644068a317bce0ac2786e6

Aliases

arxiv: 2011.02636 · arxiv_version: 2011.02636v1 · doi: 10.48550/arxiv.2011.02636 · pith_short_12: 7VZVF4WPVZZI · pith_short_16: 7VZVF4WPVZZIC3YI · pith_short_8: 7VZVF4WP

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/7VZVF4WPVZZIC3YIZ4OR55FTIV \
  | 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: fd7352f2cfae72816f08cf1d1ef4b345539983d070644068a317bce0ac2786e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dab6bcb1a7dec0871f36afb27c4a3d614b3a41f2fbd162d6f0ed4212e29a1514",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-11-05T03:26:27Z",
    "title_canon_sha256": "dc907802d99fc0c5eaea08ecc5e90131cd3e004e4b7fa6abf5240fd573e0a803"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.02636",
    "kind": "arxiv",
    "version": 1
  }
}