Pith Number

pith:RRV2DCPO

pith:2007:RRV2DCPONTPOJQ2RI5MDURPLMT

not attested not anchored not stored refs pending

Jets and Tori in Proto-Planetary Nebulae

P.J. Huggins

arxiv:astro-ph/0703569 v1 · 2007-03-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRV2DCPONTPOJQ2RI5MDURPLMT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:29:05.471311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c6ba189ee6cdee4c35147583a45eb64f118f5983c92cf93afd3ea3a8fa46bd3

Aliases

arxiv: astro-ph/0703569 · arxiv_version: astro-ph/0703569v1 · doi: 10.48550/arxiv.astro-ph/0703569 · pith_short_12: RRV2DCPONTPO · pith_short_16: RRV2DCPONTPOJQ2R · pith_short_8: RRV2DCPO

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/RRV2DCPONTPOJQ2RI5MDURPLMT \
  | 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: 8c6ba189ee6cdee4c35147583a45eb64f118f5983c92cf93afd3ea3a8fa46bd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17aa94bfa8b72f716c0d0feb78b115058b687f32040eb373c0e1d3f9ab33c1fd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-21T19:58:36Z",
    "title_canon_sha256": "f8bbe27b91e4cb00486e9164893a6228d11e17b3d2306d15a82f6269d8946595"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703569",
    "kind": "arxiv",
    "version": 1
  }
}