Pith Number

pith:TSMTCI5P

pith:2020:TSMTCI5PLQNVU22NTMMUUT6D7U

not attested not anchored not stored refs pending

Using Gravitational Wave Parallax to Measure the Hubble Parameter with Pulsar Timing Arrays

Abraham Loeb, Daniel J. D'Orazio

arxiv:2009.06084 v2 · 2020-09-13 · astro-ph.CO · astro-ph.HE · 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{TSMTCI5PLQNVU22NTMMUUT6D7U}

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.

Cited by

1 paper in Pith

Reaching diffraction-limited localization with coherent PTAs

Receipt and verification

First computed	2026-07-05T03:14:04.409102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c993123af5c1b5a6b4d9b194a4fc3fd3d0ca4653832085f71c46aaea834ed05

Aliases

arxiv: 2009.06084 · arxiv_version: 2009.06084v2 · doi: 10.48550/arxiv.2009.06084 · pith_short_12: TSMTCI5PLQNV · pith_short_16: TSMTCI5PLQNVU22N · pith_short_8: TSMTCI5P

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/TSMTCI5PLQNVU22NTMMUUT6D7U \
  | 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: 9c993123af5c1b5a6b4d9b194a4fc3fd3d0ca4653832085f71c46aaea834ed05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5de6580465785cec3f62fda3ddf0cc5ce82654bdbe4c99105cfb2aba476c5a6",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-09-13T20:55:54Z",
    "title_canon_sha256": "ece3e02cf7bbb3777c8bf81a274a4c4ab54a2b3a0ccc1931075fe684026d1063"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.06084",
    "kind": "arxiv",
    "version": 2
  }
}