Pith Number

pith:ANTEAVMA

pith:2019:ANTEAVMA553K77HCN5HC4JMLVL

not attested not anchored not stored refs pending

Can redshift errors bias measurements of the Hubble Constant?

Cullan Howlett, Josh Calcino, Samuel R. Hinton, Tamara M. Davis

arxiv:1907.12639 v2 · 2019-07-29 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ANTEAVMA553K77HCN5HC4JMLVL}

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	2026-07-05T00:09:02.051622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0366405580ef76affce26f4e2e258baad9fd2049b25c1ce4cceff72e70be3a9c

Aliases

arxiv: 1907.12639 · arxiv_version: 1907.12639v2 · doi: 10.48550/arxiv.1907.12639 · pith_short_12: ANTEAVMA553K · pith_short_16: ANTEAVMA553K77HC · pith_short_8: ANTEAVMA

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/ANTEAVMA553K77HCN5HC4JMLVL \
  | 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: 0366405580ef76affce26f4e2e258baad9fd2049b25c1ce4cceff72e70be3a9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50d454f203bb93b7515289ef38a14863b442ce94107f86a8208e0f514d1b1361",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-07-29T20:59:24Z",
    "title_canon_sha256": "045cd056e50d7cf639d8007e66cd57a9834e247106907570bd03c83fcd79a06e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.12639",
    "kind": "arxiv",
    "version": 2
  }
}