Pith Number

pith:NJLIEMAO

pith:2009:NJLIEMAO6O27TZF7A2V4IHWKXU

not attested not anchored not stored refs pending

The Fate of High-Velocity Clouds: Warm or Cold Cosmic Rain?

Fabian Heitsch (U of Michigan), Mary E. Putman (Columbia U)

arxiv:0904.1995 v1 · 2009-04-13 · 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{NJLIEMAO6O27TZF7A2V4IHWKXU}

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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.

Cited by

1 paper in Pith

The nature of Cloud-9: a compact core embedded in a diffuse envelope

Receipt and verification

First computed	2026-05-18T04:29:43.559800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a5682300ef3b5f9e4bf06abc41ecabd0086266a15d39236299b62f679b219f9

Aliases

arxiv: 0904.1995 · arxiv_version: 0904.1995v1 · doi: 10.48550/arxiv.0904.1995 · pith_short_12: NJLIEMAO6O27 · pith_short_16: NJLIEMAO6O27TZF7 · pith_short_8: NJLIEMAO

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/NJLIEMAO6O27TZF7A2V4IHWKXU \
  | 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: 6a5682300ef3b5f9e4bf06abc41ecabd0086266a15d39236299b62f679b219f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57c2ef1c468fb7a40727ea3e4560369c39d080e7609d9f39063abc058ef6299e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-13T19:49:39Z",
    "title_canon_sha256": "457977161d9d0b2cb3dc86252133ab369fc8c9d1ced0607a47c0d07b1ef26218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1995",
    "kind": "arxiv",
    "version": 1
  }
}