Pith Number

pith:A2Z5ELWG

pith:2011:A2Z5ELWGD5JRF7WS6Q6HGKWHBN

not attested not anchored not stored refs pending

Galaxy Environments in the UKIDSS Ultra Deep Survey (UDS)

C. J. Conselice, C. Simpson, E. J. Bradshaw, J. S. Dunlop, M. Cirasuolo, O. Almaini, R. J. McLure, R. W. Chuter, S. Foucaud, W. G. Hartley

arxiv:1101.0849 v1 · 2011-01-04 · 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{A2Z5ELWGD5JRF7WS6Q6HGKWHBN}

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	2026-05-18T02:04:13.060452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06b3d22ec61f5312fed2f43c732ac70b5d1edddecbf753e7e1d7c8bd3b93a8f3

Aliases

arxiv: 1101.0849 · arxiv_version: 1101.0849v1 · doi: 10.48550/arxiv.1101.0849 · pith_short_12: A2Z5ELWGD5JR · pith_short_16: A2Z5ELWGD5JRF7WS · pith_short_8: A2Z5ELWG

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/A2Z5ELWGD5JRF7WS6Q6HGKWHBN \
  | 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: 06b3d22ec61f5312fed2f43c732ac70b5d1edddecbf753e7e1d7c8bd3b93a8f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0ef99b16bd426a8310d1b3136ede3484d5445b82587d725615c6b7239d2c144",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-04T23:03:29Z",
    "title_canon_sha256": "d927c03a67b5f50ca4981ddc482d9105bc1c90bd163d062f2582b62d472ed228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0849",
    "kind": "arxiv",
    "version": 1
  }
}