Pith Number

pith:YIF3DBXH

pith:2001:YIF3DBXHEBIPFPRSZFKOXAKZVW

not attested not anchored not stored refs pending

Solutions to the tethered galaxy problem in an expanding universe and the observation of receding blueshifted objects

Charles H. Lineweaver, John K. Webb (The University of New South Wales), Tamara M. Davis

arxiv:astro-ph/0104349 v3 · 2001-04-21 · astro-ph · 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{YIF3DBXHEBIPFPRSZFKOXAKZVW}

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	2026-05-18T02:40:36.407906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c20bb186e72050f2be32c954eb8159ada158213efe796f195259de8e761ee3b9

Aliases

arxiv: astro-ph/0104349 · arxiv_version: astro-ph/0104349v3 · doi: 10.48550/arxiv.astro-ph/0104349 · pith_short_12: YIF3DBXHEBIP · pith_short_16: YIF3DBXHEBIPFPRS · pith_short_8: YIF3DBXH

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/YIF3DBXHEBIPFPRSZFKOXAKZVW \
  | 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: c20bb186e72050f2be32c954eb8159ada158213efe796f195259de8e761ee3b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6b018efbf4d1d658dccc9148f50b46951e11063927200268d500ca217b70f77",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-21T02:39:41Z",
    "title_canon_sha256": "743c3597229bbbee60c0bc4f8e9bb50392082316ae4d287a5b70388a4d2fd20f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104349",
    "kind": "arxiv",
    "version": 3
  }
}