Pith Number

pith:NHGO7DCK

pith:2009:NHGO7DCKMYIRKM6F6ZU3ER7CA3

not attested not anchored not stored refs pending

The Mid-Infrared Colours of Galactic Bulge, Disk and Magellanic Planetary Nebulae

G. Ramos-Larios, J.P. Phillips

arxiv:0909.2069 v1 · 2009-09-11 · 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{NHGO7DCKMYIRKM6F6ZU3ER7CA3}

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	2026-05-18T02:34:30.428039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69ccef8c4a66111533c5f669b247e206e08fb291622f40cdf9d9521e753a9cfe

Aliases

arxiv: 0909.2069 · arxiv_version: 0909.2069v1 · doi: 10.48550/arxiv.0909.2069 · pith_short_12: NHGO7DCKMYIR · pith_short_16: NHGO7DCKMYIRKM6F · pith_short_8: NHGO7DCK

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/NHGO7DCKMYIRKM6F6ZU3ER7CA3 \
  | 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: 69ccef8c4a66111533c5f669b247e206e08fb291622f40cdf9d9521e753a9cfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30d8b09412ebcd6ff4d3f0daf637ad579a61900fd1f473b1a329706c0276a893",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-11T00:04:58Z",
    "title_canon_sha256": "9eed9ea550679f7491910d2b24bb20db835756974fe9396664bd3547a375ac0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2069",
    "kind": "arxiv",
    "version": 1
  }
}