Pith Number

pith:KFNQ4LDM

pith:2012:KFNQ4LDMJLQMAFKXJQQDR7CGL4

not attested not anchored not stored refs pending

Constraining H0 from Lyman-alpha Forest and Baryon Acoustic Oscillations

J. A. S. Lima, R. N. Guimar\~aes, V. C. Busti

arxiv:1201.1260 v1 · 2012-01-05 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFNQ4LDMJLQMAFKXJQQDR7CGL4}

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	2026-05-18T02:21:25.831780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

515b0e2c6c4ae0c015574c2038fc465f39cd3a676e9f73e6a7d83efe60704a7d

Aliases

arxiv: 1201.1260 · arxiv_version: 1201.1260v1 · doi: 10.48550/arxiv.1201.1260 · pith_short_12: KFNQ4LDMJLQM · pith_short_16: KFNQ4LDMJLQMAFKX · pith_short_8: KFNQ4LDM

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/KFNQ4LDMJLQMAFKXJQQDR7CGL4 \
  | 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: 515b0e2c6c4ae0c015574c2038fc465f39cd3a676e9f73e6a7d83efe60704a7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e77bd3ed720262ec3d63eb8a739e1c5c361b9bf6610c803e017baadad67c463",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-05T18:59:41Z",
    "title_canon_sha256": "b82966d2452dd0987cc745d13cd6cc651cd8ad8c036a54bedca7beae9198c2a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1260",
    "kind": "arxiv",
    "version": 1
  }
}