Pith Number

pith:6XFJQ5UW

pith:2009:6XFJQ5UW67XS4QED66XMXYMNMT

not attested not anchored not stored refs pending

Deprojection technique for galaxy cluster considering point spread function

S.M. Jia, Y. Chen, Y.S. Wang

arxiv:0907.0091 v1 · 2009-07-01 · 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{6XFJQ5UW67XS4QED66XMXYMNMT}

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	2026-05-18T02:34:45.319228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5ca987696f7ef2e4083f7aecbe18d64c630dd629f34a175960e02abfc670b09

Aliases

arxiv: 0907.0091 · arxiv_version: 0907.0091v1 · doi: 10.48550/arxiv.0907.0091 · pith_short_12: 6XFJQ5UW67XS · pith_short_16: 6XFJQ5UW67XS4QED · pith_short_8: 6XFJQ5UW

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/6XFJQ5UW67XS4QED66XMXYMNMT \
  | 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: f5ca987696f7ef2e4083f7aecbe18d64c630dd629f34a175960e02abfc670b09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07c1066ee51179f956c27f14a2535852cbafdc436d35910ee37f6019777a6a1d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-07-01T08:50:13Z",
    "title_canon_sha256": "3e68bdf084e7a2d0d4ac39d219cf5b30bed8fd916012840bd7a4102872d93425"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0091",
    "kind": "arxiv",
    "version": 1
  }
}