Pith Number

pith:RDGQ6KCK

pith:2015:RDGQ6KCKT3FEWYZVYC6TN4LI4X

not attested not anchored not stored refs pending

The Hubble Wide Field Camera 3 Test of Surfaces in the Outer Solar System: Spectral Variation on Kuiper Belt Objects

Florian Glass, Michael E. Brown, Wesley C. Fraser

arxiv:1502.06612 v1 · 2015-02-23 · 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{RDGQ6KCKT3FEWYZVYC6TN4LI4X}

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	2026-05-18T01:40:54.901844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88cd0f284a9eca4b6335c0bd36f168e5c623dc778fdc412e633b078247e25bdc

Aliases

arxiv: 1502.06612 · arxiv_version: 1502.06612v1 · doi: 10.48550/arxiv.1502.06612 · pith_short_12: RDGQ6KCKT3FE · pith_short_16: RDGQ6KCKT3FEWYZV · pith_short_8: RDGQ6KCK

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/RDGQ6KCKT3FEWYZVYC6TN4LI4X \
  | 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: 88cd0f284a9eca4b6335c0bd36f168e5c623dc778fdc412e633b078247e25bdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "139a02864b45f821ee27c408a104ced5e2ebf475dcf69bde5938a4c26b183a80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-02-23T21:00:13Z",
    "title_canon_sha256": "a4f20077c0fe173da80674f34163495169bf826194c3a0ab3c0eb6226035cdcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06612",
    "kind": "arxiv",
    "version": 1
  }
}