Pith Number

pith:XNDRKFKZ

pith:2019:XNDRKFKZ36DGLCLR6H67CSEMO2

not attested not anchored not stored refs pending

Infrared Spectroscopy of Large, Low-Albedo Asteroids: Are Ceres and Themis Archetypes or Outliers?

Andrew S. Rivkin, Ellen S. Howell, Joshua P. Emery

arxiv:1904.07065 v1 · 2019-04-15 · 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{XNDRKFKZ36DGLCLR6H67CSEMO2}

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	2026-05-17T23:43:02.563542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb47151559df86658971f1fdf1488c76856515a8ba83a8f6cec729f9aa62799c

Aliases

arxiv: 1904.07065 · arxiv_version: 1904.07065v1 · doi: 10.48550/arxiv.1904.07065 · pith_short_12: XNDRKFKZ36DG · pith_short_16: XNDRKFKZ36DGLCLR · pith_short_8: XNDRKFKZ

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/XNDRKFKZ36DGLCLR6H67CSEMO2 \
  | 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: bb47151559df86658971f1fdf1488c76856515a8ba83a8f6cec729f9aa62799c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d89ffaf6194ad89b325ec70cb5202fd97e1b8cae74e7a28fc959e4b09b304e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-04-15T14:17:51Z",
    "title_canon_sha256": "094d877bcef5240eed7f4d143e7d585f5c2f3236f9ad7d85207d83342a21cc08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07065",
    "kind": "arxiv",
    "version": 1
  }
}