Pith Number

pith:6KAQOOPQ

pith:2022:6KAQOOPQ2FJSJTVRXSIQZDHGRK

not attested not anchored not stored refs pending

Polarimetry of M-type asteroids in the context of their surface composition

A. Berdyugin, A. Sergeyev, I. Belskaya, M. Kagitani, R. Gil-Hutton, S. Berdyugina, S. Mykhailova, T. Bonev, T. Sakanoi, V. Piirola, Yu. Krugly, Z. Donchev

arxiv:2204.04929 v1 · 2022-04-11 · 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{6KAQOOPQ2FJSJTVRXSIQZDHGRK}

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	2026-07-05T04:13:15.648822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2810739f0d15324ceb1bc910c8ce68a8484904a79ccebacd2aa531692e8f08b

Aliases

arxiv: 2204.04929 · arxiv_version: 2204.04929v1 · doi: 10.48550/arxiv.2204.04929 · pith_short_12: 6KAQOOPQ2FJS · pith_short_16: 6KAQOOPQ2FJSJTVR · pith_short_8: 6KAQOOPQ

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/6KAQOOPQ2FJSJTVRXSIQZDHGRK \
  | 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: f2810739f0d15324ceb1bc910c8ce68a8484904a79ccebacd2aa531692e8f08b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cabaa1db1667c191f4ccecfd7ae876f047afecef5d6fbdbf6ea88e1697f3793a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-04-11T08:08:35Z",
    "title_canon_sha256": "d84a656e02c2ee05ebf66151c37456d098ca2db1e6d25264a08eed346aa6ebb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.04929",
    "kind": "arxiv",
    "version": 1
  }
}