Pith Number

pith:AKBZJKEY

pith:2018:AKBZJKEYVWKZSH2GVSKIT26JD6

not attested not anchored not stored refs pending

Resolved Millimeter Observations of the HR 8799 Debris Disk

A. Meredith Hughes, Brenda Matthews, David J. Wilner, Kate Su, Meredith A. MacGregor, Sean M. Andrews

arxiv:1803.00054 v1 · 2018-02-20 · 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{AKBZJKEYVWKZSH2GVSKIT26JD6}

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	2026-05-18T00:20:34.723837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

028394a898ad95991f46ac9489ebc91f9942115a4594805edc060445bc3b983f

Aliases

arxiv: 1803.00054 · arxiv_version: 1803.00054v1 · doi: 10.48550/arxiv.1803.00054 · pith_short_12: AKBZJKEYVWKZ · pith_short_16: AKBZJKEYVWKZSH2G · pith_short_8: AKBZJKEY

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/AKBZJKEYVWKZSH2GVSKIT26JD6 \
  | 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: 028394a898ad95991f46ac9489ebc91f9942115a4594805edc060445bc3b983f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0262b16ff72f3dff75d441cff3dd16c44584d72631ecb06942f58692e4e1942e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-20T22:07:18Z",
    "title_canon_sha256": "869998417401f3d260b72bf3153b640a2cd12b00dba4e3a537f56457914adb42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00054",
    "kind": "arxiv",
    "version": 1
  }
}