Pith Number

pith:R7KKJTKM

pith:2021:R7KKJTKMNML2DUOAPPL2WLTT3L

not attested not anchored not stored refs pending

Compact Disks: an explanation to faint CO emission in Lupus disks

Anna Miotello, Carlo F. Manara, Giovanni Rosotti, Jonathan P. Williams, Megan Ansdell, Simon Bruderer, Stefano Facchini

arxiv:2104.09109 v2 · 2021-04-19 · 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{R7KKJTKMNML2DUOAPPL2WLTT3L}

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	2026-07-05T02:57:45.875344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd4a4cd4c6b17a1d1c07bd7ab2e73daefe2be5e3c194d94fe6f6414af019bc8

Aliases

arxiv: 2104.09109 · arxiv_version: 2104.09109v2 · doi: 10.48550/arxiv.2104.09109 · pith_short_12: R7KKJTKMNML2 · pith_short_16: R7KKJTKMNML2DUOA · pith_short_8: R7KKJTKM

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/R7KKJTKMNML2DUOAPPL2WLTT3L \
  | 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: 8fd4a4cd4c6b17a1d1c07bd7ab2e73daefe2be5e3c194d94fe6f6414af019bc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa3aa7d6ac6a77d1ee21dced07ee1199d1086416e244081b8ca79874f7f78691",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-04-19T07:58:53Z",
    "title_canon_sha256": "3fcdd08c4bd5867c5c3f4d3e8698ca14f0ab7733f737c7d6d9f6b5170a44995c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09109",
    "kind": "arxiv",
    "version": 2
  }
}