Pith Number

pith:ES4LYNL4

pith:2009:ES4LYNL4OIHOX4UB4RY4WYZHLS

not attested not anchored not stored refs pending

Star formation in Perseus - V. Outflows detected by HARP

Jennifer Hatchell, Michael M. Dunham

arxiv:0904.1163 v1 · 2009-04-07 · 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{ES4LYNL4OIHOX4UB4RY4WYZHLS}

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	2026-05-18T02:14:07.023532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24b8bc357c720eebf281e471cb63275ca0cf4f9f96c663aaee7eb3fcd0b444b2

Aliases

arxiv: 0904.1163 · arxiv_version: 0904.1163v1 · doi: 10.48550/arxiv.0904.1163 · pith_short_12: ES4LYNL4OIHO · pith_short_16: ES4LYNL4OIHOX4UB · pith_short_8: ES4LYNL4

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/ES4LYNL4OIHOX4UB4RY4WYZHLS \
  | 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: 24b8bc357c720eebf281e471cb63275ca0cf4f9f96c663aaee7eb3fcd0b444b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3388389dac9336b86f121f7be56b0332f74b82453ff969163740946a0d146c38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-07T15:35:39Z",
    "title_canon_sha256": "901660c89f87a3fd0aa78b2638749d79afc6a574cd170fd735cbd633ad9c669a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1163",
    "kind": "arxiv",
    "version": 1
  }
}