Pith Number

pith:EHDYWCOT

pith:2009:EHDYWCOTVGU2WPFX6U7CSHGCHO

not attested not anchored not stored refs pending

Are Newly Discovered HI High Velocity Clouds Minihalos in the Local Group?

2 National Radio Astronomy Observatory), Brian R. Kent (2), Elizabeth K. Adams (1) (1 Cornell University, Martha P. Haynes (1), Riccardo Giovanelli (1)

arxiv:0911.4195 v1 · 2009-11-21 · astro-ph.CO · 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{EHDYWCOTVGU2WPFX6U7CSHGCHO}

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	2026-05-18T02:10:37.785727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21c78b09d3a9a9ab3cb7f53e291cc23baebab819a08f750da28b0ed84a8028a6

Aliases

arxiv: 0911.4195 · arxiv_version: 0911.4195v1 · doi: 10.48550/arxiv.0911.4195 · pith_short_12: EHDYWCOTVGU2 · pith_short_16: EHDYWCOTVGU2WPFX · pith_short_8: EHDYWCOT

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/EHDYWCOTVGU2WPFX6U7CSHGCHO \
  | 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: 21c78b09d3a9a9ab3cb7f53e291cc23baebab819a08f750da28b0ed84a8028a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bca4d7b734af90b769365854e227a1347b66d7d360d2da00843780450eb731d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-21T17:39:48Z",
    "title_canon_sha256": "481885138cb12c673c229bcd6b6ba05796410764d385bca6d9f615beaefa5abc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4195",
    "kind": "arxiv",
    "version": 1
  }
}