Pith Number

pith:E2KODDQI

pith:2011:E2KODDQIFAYKHARLSI63SVE53J

not attested not anchored not stored refs pending

Spatially resolved submm imaging of the HR 8799 debris disk

A. Kovacs, B. Ayliffe, C. D. Dowell, C. Pinte, I. Song, J. Bulger, J. Koda, J. Patience, M. R. Bate, R. R. King

arxiv:1106.4817 v1 · 2011-06-23 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2KODDQIFAYKHARLSI63SVE53J}

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	2026-05-18T02:01:31.429834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2694e18e082830a3822b923db9549dda598227a50d1f297f27a471ba3159ab75

Aliases

arxiv: 1106.4817 · arxiv_version: 1106.4817v1 · doi: 10.48550/arxiv.1106.4817 · pith_short_12: E2KODDQIFAYK · pith_short_16: E2KODDQIFAYKHARL · pith_short_8: E2KODDQI

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/E2KODDQIFAYKHARLSI63SVE53J \
  | 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: 2694e18e082830a3822b923db9549dda598227a50d1f297f27a471ba3159ab75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ead6a67e950045fd8eec268f8e14e69fd394c944f7403aaf6b9707691152a605",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-06-23T20:00:10Z",
    "title_canon_sha256": "a12e0fa0b2851f48cbdcea8b6c056d5c1ee72bd24e283c28d3120f3e550894e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4817",
    "kind": "arxiv",
    "version": 1
  }
}