Pith Number

pith:TSQIIEZ7

pith:2009:TSQIIEZ7LWZG2OW4PACU2SUIUN

not attested not anchored not stored refs pending

Ultraviolet and visible photometry of asteroid (21) Lutetia using the Hubble Space Telescope

A.J. Steffl, C. R. Chapman, D.C. Slater, H.A. Weaver, J.D. Drummond, J.-L. Bertaux, J.W. Parker, L.M. Feaga, M.F. A'Hearn, M.J. Mutchler, P.D. Feldman, S.A. Stern, W.J. Merline

arxiv:0912.4572 v2 · 2009-12-23 · 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{TSQIIEZ7LWZG2OW4PACU2SUIUN}

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	2026-05-18T02:10:14.344939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ca084133f5db26d3adc78054d4a88a351887ca43a03bd2e0add6df4bc6c3dbe

Aliases

arxiv: 0912.4572 · arxiv_version: 0912.4572v2 · doi: 10.48550/arxiv.0912.4572 · pith_short_12: TSQIIEZ7LWZG · pith_short_16: TSQIIEZ7LWZG2OW4 · pith_short_8: TSQIIEZ7

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/TSQIIEZ7LWZG2OW4PACU2SUIUN \
  | 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: 9ca084133f5db26d3adc78054d4a88a351887ca43a03bd2e0add6df4bc6c3dbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fad4f16e1812b6f7fb0b70881b9e6f6af98272dd8d3efe9ff27e4bf6bb6f7f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-12-23T06:24:24Z",
    "title_canon_sha256": "20628fa8a88bb8783b26bfb777c68c1a8ada0c1d7435263e18a5e3e9093e9264"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4572",
    "kind": "arxiv",
    "version": 2
  }
}