Pith Number

pith:4VDBN56M

pith:2017:4VDBN56MFZLNRYOUEZPX7FJ5BV

not attested not anchored not stored refs pending

100 years of the Cosmological Constant: what's next?

Ofer Lahav (UCL)

arxiv:1704.00069 v1 · 2017-03-31 · 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{4VDBN56MFZLNRYOUEZPX7FJ5BV}

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	2026-05-18T00:47:25.520984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e54616f7cc2e56d8e1d4265f7f953d0d47885aed375200fb46f99ec984856a0f

Aliases

arxiv: 1704.00069 · arxiv_version: 1704.00069v1 · doi: 10.48550/arxiv.1704.00069 · pith_short_12: 4VDBN56MFZLN · pith_short_16: 4VDBN56MFZLNRYOU · pith_short_8: 4VDBN56M

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/4VDBN56MFZLNRYOUEZPX7FJ5BV \
  | 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: e54616f7cc2e56d8e1d4265f7f953d0d47885aed375200fb46f99ec984856a0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f96d2d397a10baf4f4bde2fc3c04f7ad49f84ba50a3d5047890b63ccfc6e07f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-03-31T21:54:02Z",
    "title_canon_sha256": "00ecce714d946aa43c0473e6e3bb3eafca75ff332650984c0d3e7fa20ddaba99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00069",
    "kind": "arxiv",
    "version": 1
  }
}