Pith Number

pith:QV2TPAER

pith:2008:QV2TPAERESEODJNDNO6DQJEVC6

not attested not anchored not stored refs pending

Chandra Acis Survey of X-Ray Point Sources in 383 Nearby Galaxies I. the Source Catalog

Jifeng Liu

arxiv:0811.0804 v1 · 2008-11-05 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QV2TPAERESEODJNDNO6DQJEVC6}

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	2026-05-18T04:27:27.318236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85753780912488e1a5a36bbc382495179fc4d1b282b23107fb9f2005f6fff6ce

Aliases

arxiv: 0811.0804 · arxiv_version: 0811.0804v1 · doi: 10.48550/arxiv.0811.0804 · pith_short_12: QV2TPAERESEO · pith_short_16: QV2TPAERESEODJND · pith_short_8: QV2TPAER

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/QV2TPAERESEODJNDNO6DQJEVC6 \
  | 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: 85753780912488e1a5a36bbc382495179fc4d1b282b23107fb9f2005f6fff6ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b14fc624ac29039c4500c1108a90a694b4553db3cf4df52bbe7ec4eb4ff1f7b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-05T20:03:28Z",
    "title_canon_sha256": "348fca12fa4a9526cde193990f10ccdfbbc29d6900cfedd0ef6f1a4cb88a8c27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.0804",
    "kind": "arxiv",
    "version": 1
  }
}