Pith Number

pith:B6ZORBYE

pith:2019:B6ZORBYEUK4GSGKEMBJWKA2ISP

not attested not anchored not stored refs pending

Measuring the Hubble Constant Near and Far in the Era of ELT's

Anowar J. Shajib, Chien-Hsiu Lee, Chris Fassnacht, Danny Goldstein, Ian Dell'Antonio, Michael Pierce, Peter Nugent, Rachael L. Beaton, Simon Birrer, Tommaso Treu

arxiv:1903.05035 v1 · 2019-03-12 · 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{B6ZORBYEUK4GSGKEMBJWKA2ISP}

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	2026-05-17T23:51:26.483724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fb2e88704a2b8691944605365034893f4bff056dc9dead8129548594c7357c3

Aliases

arxiv: 1903.05035 · arxiv_version: 1903.05035v1 · doi: 10.48550/arxiv.1903.05035 · pith_short_12: B6ZORBYEUK4G · pith_short_16: B6ZORBYEUK4GSGKE · pith_short_8: B6ZORBYE

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/B6ZORBYEUK4GSGKEMBJWKA2ISP \
  | 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: 0fb2e88704a2b8691944605365034893f4bff056dc9dead8129548594c7357c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0963d0632770442ec5e89e907a49c9613103ab414f54b55ab98f462e074a145",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-03-12T16:37:21Z",
    "title_canon_sha256": "61a420b110b1fe7e68972e748319e0c303107076257427933c365a7d6a955a07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05035",
    "kind": "arxiv",
    "version": 1
  }
}