Pith Number

pith:LLMYDNVA

pith:2012:LLMYDNVAMAKOXHV4CP3APGQHY7

not attested not anchored not stored refs pending

Tunable filter imaging of high redshift quasar fields

Isobel Hook, Joanne Baker, John Swinbank, Jordi Barr, Joss Bland-Hawthorn

arxiv:1202.0422 v1 · 2012-02-02 · 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{LLMYDNVAMAKOXHV4CP3APGQHY7}

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	2026-05-18T03:55:12.048651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ad981b6a06014eb9ebc13f6079a07c7ce02c65222b137306e7866ba776ef995

Aliases

arxiv: 1202.0422 · arxiv_version: 1202.0422v1 · doi: 10.48550/arxiv.1202.0422 · pith_short_12: LLMYDNVAMAKO · pith_short_16: LLMYDNVAMAKOXHV4 · pith_short_8: LLMYDNVA

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/LLMYDNVAMAKOXHV4CP3APGQHY7 \
  | 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: 5ad981b6a06014eb9ebc13f6079a07c7ce02c65222b137306e7866ba776ef995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d6e7a41addc3963ac71ce385527667521a9bbb25a460e1392ad66b30241724c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-02T12:43:31Z",
    "title_canon_sha256": "4c30954b5d6fb7010be4b39d880b34961d17a2974eebbd7cb1679a435b85ce37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0422",
    "kind": "arxiv",
    "version": 1
  }
}