Pith Number

pith:PN72UAKI

pith:2011:PN72UAKIGAHSAQ2IP7KWEMD4HE

not attested not anchored not stored refs pending

Classification of the Circumstellar Disk Evolution During the Main Accretion Phase

Masahiro N. Machida, Yusuke Tsukamoto

arxiv:1105.3314 v3 · 2011-05-17 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PN72UAKIGAHSAQ2IP7KWEMD4HE}

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	2026-05-18T02:21:59.834983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b7faa0148300f2043487fd562307c3920726a977bbeaf8ff3cd5c5233b105bb

Aliases

arxiv: 1105.3314 · arxiv_version: 1105.3314v3 · doi: 10.48550/arxiv.1105.3314 · pith_short_12: PN72UAKIGAHS · pith_short_16: PN72UAKIGAHSAQ2I · pith_short_8: PN72UAKI

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/PN72UAKIGAHSAQ2IP7KWEMD4HE \
  | 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: 7b7faa0148300f2043487fd562307c3920726a977bbeaf8ff3cd5c5233b105bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f43b7e3f86fbea596288bc534c1251355d04f9b090008f66476a89aaf8b8045c",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-17T09:22:30Z",
    "title_canon_sha256": "4b48b075d7e44a92fcbff568435f7629f7c8a14cfd796d8e819a576496383b58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3314",
    "kind": "arxiv",
    "version": 3
  }
}