Pith Number

pith:6E6EDVDK

pith:2007:6E6EDVDKZQ5RPTQR2LFYNTM3GF

not attested not anchored not stored refs pending

Magnetic Braking and Protostellar Disk Formation: The Ideal MHD Limit

Richard R. Mellon, Zhi-Yun Li

arxiv:0709.0445 v1 · 2007-09-04 · 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{6E6EDVDKZQ5RPTQR2LFYNTM3GF}

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

ALMA observations of Magnetic Fields in the Massive Star-forming Region IRAS 18360-0537

Receipt and verification

First computed	2026-07-04T17:05:26.964158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f13c41d46acc3b17ce11d2cb86cd9b3171f528962d495dd4610537ba78b9f722

Aliases

arxiv: 0709.0445 · arxiv_version: 0709.0445v1 · doi: 10.48550/arxiv.0709.0445 · pith_short_12: 6E6EDVDKZQ5R · pith_short_16: 6E6EDVDKZQ5RPTQR · pith_short_8: 6E6EDVDK

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/6E6EDVDKZQ5RPTQR2LFYNTM3GF \
  | 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: f13c41d46acc3b17ce11d2cb86cd9b3171f528962d495dd4610537ba78b9f722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c753d6c7daafaefd1091e39678a342171761a781f417ebf723c3ab1f9e41829c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-04T15:51:54Z",
    "title_canon_sha256": "41128b14b548d3da58478cd9f5c739176b594b96a0e2e3c599592861d73c0932"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.0445",
    "kind": "arxiv",
    "version": 1
  }
}