Pith Number

pith:QROKFLOS

pith:2000:QROKFLOSLOCTRPKVLW3RVNS2KC

not attested not anchored not stored refs pending

Extremely red galaxy counterparts to 7C radio sources

Chris J. Willott, Katherine M. Blundell, Steve Rawlings

arxiv:astro-ph/0011082 v1 · 2000-11-03 · 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{QROKFLOSLOCTRPKVLW3RVNS2KC}

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	2026-05-18T01:40:45.325302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

845ca2add25b8538bd555db71ab65a50a91d5aee250328954feddb316c9d2847

Aliases

arxiv: astro-ph/0011082 · arxiv_version: astro-ph/0011082v1 · doi: 10.48550/arxiv.astro-ph/0011082 · pith_short_12: QROKFLOSLOCT · pith_short_16: QROKFLOSLOCTRPKV · pith_short_8: QROKFLOS

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/QROKFLOSLOCTRPKVLW3RVNS2KC \
  | 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: 845ca2add25b8538bd555db71ab65a50a91d5aee250328954feddb316c9d2847

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30d6fa7631f5c331884f14e83c1c78ea5784032fd07236906cb4563bc98ea5a8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-03T13:58:47Z",
    "title_canon_sha256": "4c0017dc8395b3e11c46eaa2a6986a3014bc53caa099ba138cbc2ea756eecad5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011082",
    "kind": "arxiv",
    "version": 1
  }
}