Pith Number

pith:UHDMQSPK

pith:2017:UHDMQSPKAKXHBVQN52INDQYCW2

not attested not anchored not stored refs pending

Spectral properties and geology of bright and dark material on dwarf planet Ceres

A. Nathues, D. M. Applin, E. A. Cloutis, G. Thangjam, K. Mengel, M. Hoffmann, M. R. M. Izawa, T. Platz

arxiv:1712.05203 v2 · 2017-12-14 · 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{UHDMQSPKAKXHBVQN52INDQYCW2}

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	2026-05-18T00:23:08.019346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1c6c849ea02ae70d60dee90d1c302b687bbb255e7313c6c6b05a7d510fcfc91

Aliases

arxiv: 1712.05203 · arxiv_version: 1712.05203v2 · doi: 10.48550/arxiv.1712.05203 · pith_short_12: UHDMQSPKAKXH · pith_short_16: UHDMQSPKAKXHBVQN · pith_short_8: UHDMQSPK

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/UHDMQSPKAKXHBVQN52INDQYCW2 \
  | 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: a1c6c849ea02ae70d60dee90d1c302b687bbb255e7313c6c6b05a7d510fcfc91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca095d8eeed06acd98a8fc194e655a535c321dd39c6b81cc2da6f9957335d144",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-12-14T12:55:47Z",
    "title_canon_sha256": "096d7dc2b502d3ebef0f5955d3229b8a6407be6d852849019e0ea186341fb294"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05203",
    "kind": "arxiv",
    "version": 2
  }
}