Pith Number

pith:W6KMKG63

pith:2019:W6KMKG63CJDRSSRRLYBC2YN7VW

not attested not anchored not stored refs pending

Reorientation of Sputnik Planitia implies a Subsurface Ocean on Pluto

A. Chaikin, A. Cheng, A.D. Howard, A. Earle, A. Marcotte, A. Parker, A. Steffl, A. Verbiscer, A. Zangari, B. Buratti, B. Carcich, C. Chavez, C. Conrad, C. Dalle Ore, C. Howett, C.J. Bierson, C. Lisse, C. Olkin, C. Tsang, D. Cruikshank, D.P. Hamilton, D. Reuter, D. Strobel, F. Nimmo, H. A. Weaver, H. Reitsema, . H. Throop, H. Weaver, H. Winters, I. Linscott, Imaging Theme Team), J. Hofgartner, J.H. Roberts, J. Kammer, J.M. Moore, J. Parker, J.R. Spencer, J. Stansberry, K. E. Smith (New Horizons Geology Geophysics, K. Retherford, K. Runyon, K. Singer, L. A. Young, L. Tyler, M. Banks, M. Buie, M. Saina, M. Showalter, M. Summers, O. Barnouin, O.L. White, O.M. Umurhan, R.A. Beyer, R. Gladstone, R.P. Binzel, R. Schindhelm, S. A. Stern, S. Porter, S. Robbins, T.Lauer, T. Stryk, V. Bray, W.B. McKinnon P.M. Schenk, W. Grundy

arxiv:1903.05574 v1 · 2019-03-13 · 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{W6KMKG63CJDRSSRRLYBC2YN7VW}

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	2026-07-05T03:11:09.136398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b794c51bdb1247194a315e022d61bfadb66d5151eb9bac928ad139c2bc5e8518

Aliases

arxiv: 1903.05574 · arxiv_version: 1903.05574v1 · doi: 10.48550/arxiv.1903.05574 · pith_short_12: W6KMKG63CJDR · pith_short_16: W6KMKG63CJDRSSRR · pith_short_8: W6KMKG63

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/W6KMKG63CJDRSSRRLYBC2YN7VW \
  | 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: b794c51bdb1247194a315e022d61bfadb66d5151eb9bac928ad139c2bc5e8518

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "538ca165f3ebf0355087f7603e86aaf5b5adeb40300c412c3c037cd8477207af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-03-13T16:19:20Z",
    "title_canon_sha256": "42a4369959fbca5adc7e1b74a57991554fc6e74e8bcb29c677dfd1697aeb110a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05574",
    "kind": "arxiv",
    "version": 1
  }
}