Pith Number

pith:52ORVJU7

pith:2024:52ORVJU7DEWVLCCEY7TQTPIU2Y

not attested not anchored not stored refs pending

Constraints on the gas-phase C/O ratio of DR Tau's outer disk from CS, SO, and C$_2$H observations

Edwin A. Bergin, Jaehan Bae, Jane Huang, J. A. Sturm, Luke Keyte, Romane Le Gal, Sean M. Andrews

arxiv:2407.01679 v2 · 2024-07-01 · astro-ph.EP · 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{52ORVJU7DEWVLCCEY7TQTPIU2Y}

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	2026-07-05T09:30:18.209537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee9d1aa69f192d558844c7e709bd14d60c05488c09e124425967505c01fb05c2

Aliases

arxiv: 2407.01679 · arxiv_version: 2407.01679v2 · doi: 10.48550/arxiv.2407.01679 · pith_short_12: 52ORVJU7DEWV · pith_short_16: 52ORVJU7DEWVLCCE · pith_short_8: 52ORVJU7

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/52ORVJU7DEWVLCCEY7TQTPIU2Y \
  | 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: ee9d1aa69f192d558844c7e709bd14d60c05488c09e124425967505c01fb05c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14edee261069ddf503311e5fd810e4fe6ba60a0991a4f5a73d43ca9d9b30694a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-07-01T18:00:04Z",
    "title_canon_sha256": "426751374bf40376df3d2ed39cb0b4578921fde6d62248f62048bf7366e2fd50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.01679",
    "kind": "arxiv",
    "version": 2
  }
}