Pith Number

pith:WWY2F6T4

pith:2016:WWY2F6T44SVQRJPLCDIMPWNMDZ

not attested not anchored not stored refs pending

The SuperCOSMOS all-sky galaxy catalogue

H.T. MacGillivray, J.A. Peacock, L. Miller, M.A. Read, M. Bilicki, N.C. Hambly, S.B. Tritton

arxiv:1607.01189 v1 · 2016-07-05 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWY2F6T44SVQRJPLCDIMPWNMDZ}

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	2026-05-18T01:07:15.827510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5b1a2fa7ce4ab08a5eb10d0c7d9ac1e5cdf2195202e566fadbd2d0d21d995a7

Aliases

arxiv: 1607.01189 · arxiv_version: 1607.01189v1 · doi: 10.48550/arxiv.1607.01189 · pith_short_12: WWY2F6T44SVQ · pith_short_16: WWY2F6T44SVQRJPL · pith_short_8: WWY2F6T4

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/WWY2F6T44SVQRJPLCDIMPWNMDZ \
  | 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: b5b1a2fa7ce4ab08a5eb10d0c7d9ac1e5cdf2195202e566fadbd2d0d21d995a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1d2c29945a5935b4195cfc70d74f6517449adc9914fbc780212675f40f045aa",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-07-05T10:59:56Z",
    "title_canon_sha256": "adb7e7ec36e23a8f345990c439a4055d314208fad2ca424a9ef3717cd2753823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01189",
    "kind": "arxiv",
    "version": 1
  }
}