Pith Number

pith:BZUGKYWO

pith:2012:BZUGKYWOWQS6SAVVP4CMZXEEC3

not attested not anchored not stored refs pending

Measuring H0 from the 6dF Galaxy Survey and future low-redshift surveys

Chris Blake, Florian Beutler, Matthew Colless

arxiv:1211.2570 v1 · 2012-11-12 · 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{BZUGKYWOWQS6SAVVP4CMZXEEC3}

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	2026-05-18T01:53:16.821893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e686562ceb425e902b57f04ccdc8416dc1bac7032d503f353698bdc9b7ade45

Aliases

arxiv: 1211.2570 · arxiv_version: 1211.2570v1 · doi: 10.48550/arxiv.1211.2570 · pith_short_12: BZUGKYWOWQS6 · pith_short_16: BZUGKYWOWQS6SAVV · pith_short_8: BZUGKYWO

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/BZUGKYWOWQS6SAVVP4CMZXEEC3 \
  | 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: 0e686562ceb425e902b57f04ccdc8416dc1bac7032d503f353698bdc9b7ade45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99ad0712846b476b8c9f4350b5e08df349aab2fb9aa7ccb26c581b5840b25d99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-12T11:16:52Z",
    "title_canon_sha256": "065bd612f17cdc01135fd28d7f8b9491525e541a4bba8bd65e457014a629337f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2570",
    "kind": "arxiv",
    "version": 1
  }
}