Pith Number

pith:7KSP6SR4

pith:2018:7KSP6SR4KKVARFFOUCBKY37GEO

not attested not anchored not stored refs pending

First detection of H$_2$S in a protoplanetary disk. The dense GG Tau A ring

A. Dutrey, E. Chapillon, J. Bary, L. Majumdar, N.T. Phuong, P. N. Diep, S. Guilloteau, T. Beck, V. Pi\'etu, V. Wakelam, Y-W. Tang

arxiv:1808.00652 v1 · 2018-08-02 · astro-ph.SR · 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{7KSP6SR4KKVARFFOUCBKY37GEO}

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	2026-05-18T00:07:40.001302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faa4ff4a3c52aa0894aea082ac6fe623a3dbcd39bd6ff428eaffddccf5a356f2

Aliases

arxiv: 1808.00652 · arxiv_version: 1808.00652v1 · doi: 10.48550/arxiv.1808.00652 · pith_short_12: 7KSP6SR4KKVA · pith_short_16: 7KSP6SR4KKVARFFO · pith_short_8: 7KSP6SR4

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/7KSP6SR4KKVARFFOUCBKY37GEO \
  | 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: faa4ff4a3c52aa0894aea082ac6fe623a3dbcd39bd6ff428eaffddccf5a356f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b0c61fee05612639ba23722c73d5a3b65e7e7a36fe5fcbb226d212f4c9feacf",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-02T03:23:13Z",
    "title_canon_sha256": "ed0cc834a127a15252cd3f9685924bf13fc230a444f9cda61e2987e1bcf95b80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00652",
    "kind": "arxiv",
    "version": 1
  }
}