Pith Number

pith:P7WUUI77

pith:2020:P7WUUI77Z3TCG3Q633X3MN3AEW

not attested not anchored not stored refs pending

GG Tau A: gas properties and dynamics from the cavity to the outer disk

A. Dutrey, A. Pierens, D.T Hoai, E. Chapillon, E. Di Folco, F. Hersant, J. Bary, J.M. Hure, N.T. Phuong, P. N. Diep, P.T. Nhung, P. Tuan-Anh, S. Guilloteau, T. Beck, V. Pietu, Y-W. Tang

arxiv:2001.08147 v2 · 2020-01-22 · 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{P7WUUI77Z3TCG3Q633X3MN3AEW}

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	2026-07-05T00:46:57.273027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fed4a23ffcee6236e1edeefb63760259f88b8baa6289706b9dd0e13bc3ffef3

Aliases

arxiv: 2001.08147 · arxiv_version: 2001.08147v2 · doi: 10.48550/arxiv.2001.08147 · pith_short_12: P7WUUI77Z3TC · pith_short_16: P7WUUI77Z3TCG3Q6 · pith_short_8: P7WUUI77

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/P7WUUI77Z3TCG3Q633X3MN3AEW \
  | 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: 7fed4a23ffcee6236e1edeefb63760259f88b8baa6289706b9dd0e13bc3ffef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d7b49988aa558260b47db4329b81dd33963e456177e46216027fb6098435b06",
    "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": "2020-01-22T17:04:36Z",
    "title_canon_sha256": "a3dd694a10f7fba18f3f8a1921abddf5fe3e65ea52d5c9be6c0e69dbe91755e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.08147",
    "kind": "arxiv",
    "version": 2
  }
}