Pith Number

pith:SDGO22PZ

pith:2010:SDGO22PZPFCKNRCOWLWBJRZBHN

not attested not anchored not stored refs pending

The evolution of radio sources in the UKIDSS-DXS XMM-LSS field

Kim McAlpine, Matt J. Jarvis

arxiv:1012.3020 v1 · 2010-12-14 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDGO22PZPFCKNRCOWLWBJRZBHN}

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	2026-05-18T02:04:25.146356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90cced69f97944a6c44eb2ec14c7213b5188dfec134655cb1851008609563341

Aliases

arxiv: 1012.3020 · arxiv_version: 1012.3020v1 · doi: 10.48550/arxiv.1012.3020 · pith_short_12: SDGO22PZPFCK · pith_short_16: SDGO22PZPFCKNRCO · pith_short_8: SDGO22PZ

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/SDGO22PZPFCKNRCOWLWBJRZBHN \
  | 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: 90cced69f97944a6c44eb2ec14c7213b5188dfec134655cb1851008609563341

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c959da9c1f98c203b14ad44d392d05d71c405b0b22ff129e00caea8c330bf2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-14T13:20:41Z",
    "title_canon_sha256": "8755dae767e077551337b272f46cfba41300b2911676d0de8296d4cdca60e37c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3020",
    "kind": "arxiv",
    "version": 1
  }
}