Pith Number

pith:5VNN7ZKM

pith:2009:5VNN7ZKMUAWNU3D4SL2C2TROCA

not attested not anchored not stored refs pending

Filling in the Gaps in the 4.85 GHz Sky

Anthony C. S. Readhead, Gregory B. Taylor, Lars Fuhrmann, Roger W. Romani, Stephen E. Healey

arxiv:0907.0788 v2 · 2009-07-04 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VNN7ZKMUAWNU3D4SL2C2TROCA}

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	2026-05-18T02:13:05.267392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed5adfe54ca02cda6c7c92f42d4e2e10330a5589ee8ad87448116d4df51f94d9

Aliases

arxiv: 0907.0788 · arxiv_version: 0907.0788v2 · doi: 10.48550/arxiv.0907.0788 · pith_short_12: 5VNN7ZKMUAWN · pith_short_16: 5VNN7ZKMUAWNU3D4 · pith_short_8: 5VNN7ZKM

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/5VNN7ZKMUAWNU3D4SL2C2TROCA \
  | 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: ed5adfe54ca02cda6c7c92f42d4e2e10330a5589ee8ad87448116d4df51f94d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de19e1cd50b14e7721c9c42b4e697d8ec9daeda420658e753dbb966ab276d34a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-04T18:53:31Z",
    "title_canon_sha256": "29e2da1427f9564b62dc3a0cfbd99a524c54f44fdf94f2675e1ca586cd0315b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0788",
    "kind": "arxiv",
    "version": 2
  }
}