Pith Number

pith:7HRBW55A

pith:2012:7HRBW55AOLJ5S6TX27CKDIIUYL

not attested not anchored not stored refs pending

The Hi Environment of Counter-rotating Gas Hosts: Gas Accretion from Cold Gas Blobs

(2) University of Oxford, (3) Columbia University, (4) ATNF, Aeree Chung (1), Baerbel Koribalski (4) ((1) Yonsei University, CSIRO), J. H. van Gorkom (3), Martin Bureau (2)

arxiv:1202.4790 v1 · 2012-02-21 · 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{7HRBW55AOLJ5S6TX27CKDIIUYL}

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	2026-05-18T01:58:22.628382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e21b77a072d3d97a77d7c4a1a114c2d22fbe3ace9b9ffa160053f76de4813b

Aliases

arxiv: 1202.4790 · arxiv_version: 1202.4790v1 · doi: 10.48550/arxiv.1202.4790 · pith_short_12: 7HRBW55AOLJ5 · pith_short_16: 7HRBW55AOLJ5S6TX · pith_short_8: 7HRBW55A

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/7HRBW55AOLJ5S6TX27CKDIIUYL \
  | 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: f9e21b77a072d3d97a77d7c4a1a114c2d22fbe3ace9b9ffa160053f76de4813b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0ae0005bf0e33c6d7f640b97e2698a0c2dc01ecedb57171d30a0ee0ebe90d12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-21T23:08:42Z",
    "title_canon_sha256": "5a3051a8d708f4f51977cf92f307cbc241a3816aa3e568b79a674dfb9b11d3bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4790",
    "kind": "arxiv",
    "version": 1
  }
}