pith. sign in
Pith Number

pith:C4HLCUFP

pith:2006:C4HLCUFPPVDPA33LDOONJHEIDG
not attested not anchored not stored refs pending

First Evidence of a Precessing Jet Excavating a Protostellar Envelope

Alycia J. Weinberger, Jason E. Ybarra, Jr., Karl E. Haisch, Mary Barsony, Raghvendra Sahai, Thomas H. Jarrett

arxiv:astro-ph/0608162 v1 · 2006-08-08 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{C4HLCUFPPVDPA33LDOONJHEIDG}

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 2026-05-18T03:47:43.052937Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

170eb150af7d46f06f6b1b9cd49c8819a23e00c01cb52a6a5dcef43a6ae2ac64

Aliases

arxiv: astro-ph/0608162 · arxiv_version: astro-ph/0608162v1 · doi: 10.48550/arxiv.astro-ph/0608162 · pith_short_12: C4HLCUFPPVDP · pith_short_16: C4HLCUFPPVDPA33L · pith_short_8: C4HLCUFP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/C4HLCUFPPVDPA33LDOONJHEIDG \
  | 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: 170eb150af7d46f06f6b1b9cd49c8819a23e00c01cb52a6a5dcef43a6ae2ac64
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "16bd5f47aa56b548a0a2f9a460186ebaec5444c75c157ce1f7cce5e6fc433288",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-08T18:16:26Z",
    "title_canon_sha256": "db686d45484cee4d2ab9c40189e48a8f7e39560015947d3019bf839f9f113f8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608162",
    "kind": "arxiv",
    "version": 1
  }
}