Pith Number

pith:S7L2GWX7

pith:2017:S7L2GWX7NZ27FS7KEBDZOQLLSF

not attested not anchored not stored refs pending

Detection of exocometary CO within the 440 Myr-old Fomalhaut belt: a similar CO+CO$_2$ ice abundance in exocomets and Solar System comets

A. M. Hughes, A. Shannon, D. J. Wilner, G. Duchene, G. M. Kennedy, J. R. Graham, K. Y. L. Su, L. Matr\`a, M. A. MacGregor, M. Clampin, M. C. Wyatt, M. Pan, M. P. Fitzgerald, O. Pani\'c, P. Kalas, W. S. Holland

arxiv:1705.05868 v1 · 2017-05-16 · 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{S7L2GWX7NZ27FS7KEBDZOQLLSF}

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	2026-05-18T00:42:04.464955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97d7a35aff6e75f2cbea204797416b914191a3de132e87b3507e0657224177b1

Aliases

arxiv: 1705.05868 · arxiv_version: 1705.05868v1 · doi: 10.48550/arxiv.1705.05868 · pith_short_12: S7L2GWX7NZ27 · pith_short_16: S7L2GWX7NZ27FS7K · pith_short_8: S7L2GWX7

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/S7L2GWX7NZ27FS7KEBDZOQLLSF \
  | 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: 97d7a35aff6e75f2cbea204797416b914191a3de132e87b3507e0657224177b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9173023c4ab7a6ca784857518d8f6bdda4e82cfac79519cc0613f77bcc473acb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-05-16T18:05:02Z",
    "title_canon_sha256": "33490946772990dd566fcbd35d4d704287f4471866369b8ef0e6109b2b19ac40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05868",
    "kind": "arxiv",
    "version": 1
  }
}