Pith Number

pith:RWCPB3G4

pith:2001:RWCPB3G4MLCWGMIV2SUNU2A6RS

not attested not anchored not stored refs pending

A small area faint KX redshift survey for QSOs in the ESO Imaging Survey Chandra Deep Field South

2), (2) The Anglo-Australian Observatory, 3) ((1) Imperial College of Science, (3) Johns Hopkins University), K. Glazebrook (2, Medicine, Scott M. Croom (1, S. J. Warren (1), Technology

arxiv:astro-ph/0107451 v1 · 2001-07-23 · 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{RWCPB3G4MLCWGMIV2SUNU2A6RS}

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	2026-05-18T04:27:05.415474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d84f0ecdc62c5633115d4a8da681e8c80be67b50e2a0d8a444c71f8c3c1601c

Aliases

arxiv: astro-ph/0107451 · arxiv_version: astro-ph/0107451v1 · doi: 10.48550/arxiv.astro-ph/0107451 · pith_short_12: RWCPB3G4MLCW · pith_short_16: RWCPB3G4MLCWGMIV · pith_short_8: RWCPB3G4

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/RWCPB3G4MLCWGMIV2SUNU2A6RS \
  | 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: 8d84f0ecdc62c5633115d4a8da681e8c80be67b50e2a0d8a444c71f8c3c1601c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10c932e4187fb84f977614742c82c49714c8720a39a784f859e95243e23be139",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-23T23:23:21Z",
    "title_canon_sha256": "97e42aa9e6770e414dafd07b108dc17807a9cd0fddbebe55e5aff2c82f3eed36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107451",
    "kind": "arxiv",
    "version": 1
  }
}