Pith Number

pith:QQWCQKLZ

pith:2007:QQWCQKLZXNFRCEQTE4BWKDX2KK

not attested not anchored not stored refs pending

Accretion indicators for the 37 brightest radio sources in the Subaru/XMM-Newton Deep Field

Chris Simpson, Eleni Vardoulaki, Steve Rawlings

arxiv:0710.5036 v1 · 2007-10-26 · 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{QQWCQKLZXNFRCEQTE4BWKDX2KK}

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	2026-05-18T04:36:41.830947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

842c282979bb4b1112132703650efa52ba9e0ecf79be5e017315b354b9a5bd4d

Aliases

arxiv: 0710.5036 · arxiv_version: 0710.5036v1 · doi: 10.48550/arxiv.0710.5036 · pith_short_12: QQWCQKLZXNFR · pith_short_16: QQWCQKLZXNFRCEQT · pith_short_8: QQWCQKLZ

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/QQWCQKLZXNFRCEQTE4BWKDX2KK \
  | 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: 842c282979bb4b1112132703650efa52ba9e0ecf79be5e017315b354b9a5bd4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0dcc5aff84d548b04dcd47ef688433afacd7f484907710e11c1df7f27d995b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-26T10:58:17Z",
    "title_canon_sha256": "d1a3a0f11be0092c21f271f17b3695bcc3cc14bc624230df0ba0bafaa9e37107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.5036",
    "kind": "arxiv",
    "version": 1
  }
}