Pith Number

pith:RSGLDDJA

pith:2001:RSGLDDJAQKQVAO76UPZDSMEN5E

not attested not anchored not stored refs pending

The SuperCOSMOS Sky Survey. Paper II: Image detection, parameterisation, classification and photometry

(2) Cambridge Astronomy Survey Unit IoA Cambridge University), Harvey MacGillivray (1) ((1) Wide Field Astronomy Unit IfA University of Edinburgh, Mike Irwin (2), Nigel Hambly (1)

arxiv:astro-ph/0108290 v1 · 2001-08-17 · 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{RSGLDDJAQKQVAO76UPZDSMEN5E}

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	2026-05-18T01:22:58.939732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c8cb18d2082a1503bfea3f239308de925608eb85337c835c2d3af38d0aa949a

Aliases

arxiv: astro-ph/0108290 · arxiv_version: astro-ph/0108290v1 · doi: 10.48550/arxiv.astro-ph/0108290 · pith_short_12: RSGLDDJAQKQV · pith_short_16: RSGLDDJAQKQVAO76 · pith_short_8: RSGLDDJA

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/RSGLDDJAQKQVAO76UPZDSMEN5E \
  | 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: 8c8cb18d2082a1503bfea3f239308de925608eb85337c835c2d3af38d0aa949a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21416933bf60b6ac9127a2055e908286eb88e545f0b093e1d54fe46231d7de3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-17T14:28:26Z",
    "title_canon_sha256": "d170a8a42ee487296c352297fd4f284e92327853c39f89fb9bffcb676e35a0fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108290",
    "kind": "arxiv",
    "version": 1
  }
}