Pith Number

pith:7AXY4QUJ

pith:2010:7AXY4QUJN3G6LXEBG4D6XPLTD6

not attested not anchored not stored refs pending

Formation Process of the Circumstellar Disk: Long-term Simulations in the Main Accretion Phase of Star Formation

Masahiro N. Machida, Shu-ichiro Inutsuka, Tomoaki Matsumoto

arxiv:1001.1404 v1 · 2010-01-09 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7AXY4QUJN3G6LXEBG4D6XPLTD6}

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	2026-05-18T02:10:03.536096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f82f8e42896ecde5dc813707ebbd731fbf1b7040e59d112026afe94a3e6a5872

Aliases

arxiv: 1001.1404 · arxiv_version: 1001.1404v1 · doi: 10.48550/arxiv.1001.1404 · pith_short_12: 7AXY4QUJN3G6 · pith_short_16: 7AXY4QUJN3G6LXEB · pith_short_8: 7AXY4QUJ

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/7AXY4QUJN3G6LXEBG4D6XPLTD6 \
  | 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: f82f8e42896ecde5dc813707ebbd731fbf1b7040e59d112026afe94a3e6a5872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "211bf777b5538c2af5d051daf5670401462011a4b577b510f5fc4d18a1163ed4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-01-09T06:58:51Z",
    "title_canon_sha256": "982a711de9105eacee156fb03b9166dbae710692865040a12007ccfa3ad1049b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1404",
    "kind": "arxiv",
    "version": 1
  }
}