Pith Number

pith:4QMVBN6N

pith:2006:4QMVBN6NGXDAFX6GWRJOWYVCCP

not attested not anchored not stored refs pending

Spectropolarimetry and the study of circumstellar disks

Rene Oudmaijer (Leeds, UK)

arxiv:astro-ph/0610515 v1 · 2006-10-17 · 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{4QMVBN6NGXDAFX6GWRJOWYVCCP}

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	2026-05-18T01:40:29.252324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e41950b7cd35c602dfc6b452eb62a213ebab0479379aeb353aaee217bec5ad8f

Aliases

arxiv: astro-ph/0610515 · arxiv_version: astro-ph/0610515v1 · doi: 10.48550/arxiv.astro-ph/0610515 · pith_short_12: 4QMVBN6NGXDA · pith_short_16: 4QMVBN6NGXDAFX6G · pith_short_8: 4QMVBN6N

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/4QMVBN6NGXDAFX6GWRJOWYVCCP \
  | 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: e41950b7cd35c602dfc6b452eb62a213ebab0479379aeb353aaee217bec5ad8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c6d5d3a513f456fcce5220460175a95cd88b82938acdd6a8e86377740198b33",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-10-17T14:41:51Z",
    "title_canon_sha256": "8f59858f472844032b5c9f8bb1fd526039c88916c2a5ad6ddfeb2885fb809c70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0610515",
    "kind": "arxiv",
    "version": 1
  }
}