Pith Number

pith:HZDJL2TW

pith:2017:HZDJL2TWF5YUERAP2HSXJCBETL

not attested not anchored not stored refs pending

Measuring the Hubble constant with Type Ia supernovae as near-infrared standard candles

Bruno Leibundgut, Saurabh W. Jha, Suhail Dhawan

arxiv:1707.00715 v2 · 2017-07-03 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZDJL2TWF5YUERAP2HSXJCBETL}

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	2026-05-18T00:25:07.649034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e4695ea762f7142440fd1e57488249adc26f763fe1b911219da8d588eb892a2

Aliases

arxiv: 1707.00715 · arxiv_version: 1707.00715v2 · doi: 10.48550/arxiv.1707.00715 · pith_short_12: HZDJL2TWF5YU · pith_short_16: HZDJL2TWF5YUERAP · pith_short_8: HZDJL2TW

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/HZDJL2TWF5YUERAP2HSXJCBETL \
  | 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: 3e4695ea762f7142440fd1e57488249adc26f763fe1b911219da8d588eb892a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2747a4ad0a79d1d9201ce6df584af7340deed247cadfa06bb167137883e745b6",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-07-03T18:10:58Z",
    "title_canon_sha256": "2a7acfa548f8f79caca3d16330039770ddc8521b6f125624b0139960b4259960"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00715",
    "kind": "arxiv",
    "version": 2
  }
}