Pith Number

pith:YJR7ZN7F

pith:2016:YJR7ZN7FQRSOHIQTN3T7XTY5B6

not attested not anchored not stored refs pending

$\mathtt{ComEst}$: a Completeness Estimator of Source Extraction on Astronomical Imaging

I-Non Chiu, Jiayi Liu, Shantanu Desai

arxiv:1605.02650 v1 · 2016-05-09 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJR7ZN7FQRSOHIQTN3T7XTY5B6}

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	2026-05-18T01:14:12.145521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c263fcb7e58464e3a2136ee7fbcf1d0fbc44c9cabe8d441cc8bcce80170ceda2

Aliases

arxiv: 1605.02650 · arxiv_version: 1605.02650v1 · doi: 10.48550/arxiv.1605.02650 · pith_short_12: YJR7ZN7FQRSO · pith_short_16: YJR7ZN7FQRSOHIQT · pith_short_8: YJR7ZN7F

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/YJR7ZN7FQRSOHIQTN3T7XTY5B6 \
  | 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: c263fcb7e58464e3a2136ee7fbcf1d0fbc44c9cabe8d441cc8bcce80170ceda2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ad2d0ef45090b1d889e2e11cea806c5db9cbce1f3afcce281016a5acdb866d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-05-09T16:43:49Z",
    "title_canon_sha256": "55b1ce1321c4c3a589231853c1fec001c9ca878c8d75b704899a7f397e0d5dcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02650",
    "kind": "arxiv",
    "version": 1
  }
}