Pith Number

pith:O3TPYVFG

pith:2009:O3TPYVFG3B3F6FLL7SS5C5VWBK

not attested not anchored not stored refs pending

Hubble Space Telescope Optical Imaging of the Eroding Debris Disk HD 61005

D. C. Hines, E. I. Chiang, G. Schneider, H. L. Maness, James R. Graham, K. M. G. Peek, K. Scherer, M. P. Fitzgerald, P. Kalas, S. A. Metchev

arxiv:0910.5223 v1 · 2009-10-27 · 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{O3TPYVFG3B3F6FLL7SS5C5VWBK}

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	2026-05-18T02:34:12.722097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76e6fc54a6d8765f156bfca5d176b60ab6a1be5a2c60bba1abf48a06edbd69a9

Aliases

arxiv: 0910.5223 · arxiv_version: 0910.5223v1 · doi: 10.48550/arxiv.0910.5223 · pith_short_12: O3TPYVFG3B3F · pith_short_16: O3TPYVFG3B3F6FLL · pith_short_8: O3TPYVFG

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/O3TPYVFG3B3F6FLL7SS5C5VWBK \
  | 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: 76e6fc54a6d8765f156bfca5d176b60ab6a1be5a2c60bba1abf48a06edbd69a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0409b58f8e5b22cbb30e2e662f0a97299586f70d4e2fdcb96f7f90f5432010a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-10-27T23:31:29Z",
    "title_canon_sha256": "958b87edd4a89f7ba9599c1bdb602a1a95927d3e3faf78c457ae8cb56924b4ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5223",
    "kind": "arxiv",
    "version": 1
  }
}