Pith Number

pith:NDHMQ7DJ

pith:2004:NDHMQ7DJ5A3JYGXDFGOJXBXUSF

not attested not anchored not stored refs pending

Polarimetric observations of OH masers in proto-planetary nebulae

E. Gerard, M. Szymczak

arxiv:astro-ph/0405316 v1 · 2004-05-17 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDHMQ7DJ5A3JYGXDFGOJXBXUSF}

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.

Cited by

1 paper in Pith

Cosmic Rulers: Masers as Tools for Probing Structure in the Galaxy and Beyond, from AU to kpc

Receipt and verification

First computed	2026-07-04T16:43:46.751618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68cec87c69e8369c1ae3299c9b86f491492c9e29d0b71863974d92618e0ea6de

Aliases

arxiv: astro-ph/0405316 · arxiv_version: astro-ph/0405316v1 · doi: 10.48550/arxiv.astro-ph/0405316 · pith_short_12: NDHMQ7DJ5A3J · pith_short_16: NDHMQ7DJ5A3JYGXD · pith_short_8: NDHMQ7DJ

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/NDHMQ7DJ5A3JYGXDFGOJXBXUSF \
  | 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: 68cec87c69e8369c1ae3299c9b86f491492c9e29d0b71863974d92618e0ea6de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9192f60c3228cb11cd0a41aa7740196de9713b282c2e181ec41091bfe24a93a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-17T13:01:43Z",
    "title_canon_sha256": "74e5872aad0b758a2bf9bb467803c731be8b88e0107aa318f73a8cc4817ba77f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405316",
    "kind": "arxiv",
    "version": 1
  }
}