Pith Number

pith:CYA3GPE6

pith:2021:CYA3GPE62JZSSK2CYJQAAAJDD3

not attested not anchored not stored refs pending

Secular evolution of MHD wind-driven discs: analytical solutions in the expanded {\alpha}-framework

Alexander J. Cridland, Beno\^it Tabone, Giovanni P. Rosotti, Giuseppe Lodato, Philip J. Armitage

arxiv:2111.10145 v1 · 2021-11-19 · astro-ph.SR · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYA3GPE62JZSSK2CYJQAAAJDD3}

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	2026-07-05T03:38:41.450035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1601b33c9ed273292b42c2600001231ec15eef6b2076e67f3c770a5c75753f75

Aliases

arxiv: 2111.10145 · arxiv_version: 2111.10145v1 · doi: 10.48550/arxiv.2111.10145 · pith_short_12: CYA3GPE62JZS · pith_short_16: CYA3GPE62JZSSK2C · pith_short_8: CYA3GPE6

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/CYA3GPE62JZSSK2CYJQAAAJDD3 \
  | 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: 1601b33c9ed273292b42c2600001231ec15eef6b2076e67f3c770a5c75753f75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09d2f74c9d3a709c40d55b9f95b343609a29373a87040e810bdfc8d08bdf2614",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-11-19T10:44:00Z",
    "title_canon_sha256": "3ce21f407f2e9310a600ab25caae935634927eed5ed16e57a80b662195f88987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.10145",
    "kind": "arxiv",
    "version": 1
  }
}