Pith Number

pith:VHT4BPXC

pith:2022:VHT4BPXCDFNDYEEIZNRVQOWMUV

not attested not anchored not stored refs pending

Investigating S-type asteroid surfaces through reflectance spectra of Ordinary Chondrites

B. Carry, J. Eschrig, J. Gattacceca, L. Bonal, M. Mahlke, P. Beck

arxiv:2206.10172 v1 · 2022-06-21 · astro-ph.EP · physics.geo-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHT4BPXCDFNDYEEIZNRVQOWMUV}

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	2026-07-05T04:33:44.514664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9e7c0bee2195a3c1088cb63583acca57e5280ac312953302ba57419bb708709

Aliases

arxiv: 2206.10172 · arxiv_version: 2206.10172v1 · doi: 10.48550/arxiv.2206.10172 · pith_short_12: VHT4BPXCDFND · pith_short_16: VHT4BPXCDFNDYEEI · pith_short_8: VHT4BPXC

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/VHT4BPXCDFNDYEEIZNRVQOWMUV \
  | 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: a9e7c0bee2195a3c1088cb63583acca57e5280ac312953302ba57419bb708709

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "772dee2bcdbb718a53447570bc68ae5a7c69d6281cc2d2d8dd3f9b7dab83b38d",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-06-21T08:10:52Z",
    "title_canon_sha256": "8655c86efceb10b73c87dd36c7f0511228c8bbd8ac4bf893a9a9ddfeb52a73e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.10172",
    "kind": "arxiv",
    "version": 1
  }
}