Pith Number

pith:7ML5LLQE

pith:2008:7ML5LLQEGUSWE6HIWBBXQQR3GR

not attested not anchored not stored refs pending

A Pilot Survey for KX QSOs in the UKIDSS Ultra Deep Survey Field

A.M. Swinbank (1), Durham; (2) AAO; (3) Subaru; (4) Kyoto; (5) Nottingham; (6) Sydney), Ian Smail (1), M. Akiyama (3), O. Almaini (5), Rob Sharp (2), S. Croom (6) ((1) ICC, S. Foucaud (5), Y. Ueda (4)

arxiv:0806.2538 v1 · 2008-06-16 · 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{7ML5LLQEGUSWE6HIWBBXQQR3GR}

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	2026-07-04T17:11:17.553725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb17d5ae0435256278e8b04378423b34471fb9257c2bd2d3870c7b2d6de0c44b

Aliases

arxiv: 0806.2538 · arxiv_version: 0806.2538v1 · doi: 10.48550/arxiv.0806.2538 · pith_short_12: 7ML5LLQEGUSW · pith_short_16: 7ML5LLQEGUSWE6HI · pith_short_8: 7ML5LLQE

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/7ML5LLQEGUSWE6HIWBBXQQR3GR \
  | 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: fb17d5ae0435256278e8b04378423b34471fb9257c2bd2d3870c7b2d6de0c44b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9751d79ae2c2bea7493affb971c974abd35e2a0b6250cacc7c639132e968c0b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-16T10:09:34Z",
    "title_canon_sha256": "e23f4dc65767bfa83845250eca1cc1b3d4265a84cc6d62f94ab88a07831d4107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.2538",
    "kind": "arxiv",
    "version": 1
  }
}