Pith Number

pith:D5WZ4VXO

pith:2001:D5WZ4VXOXWIVCT2VIH5MSIMTPO

not attested not anchored not stored refs pending

The Radio-to-Submillimeter Flux Density Ratio of Galaxies as a Measure of Redshift

Astrophysical Sciences, Nagoya University), T. N. Rengarajan (1), Tsutomu T. Takeuchi (1) ((1) Division of Particle

arxiv:astro-ph/0105096 v1 · 2001-05-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5WZ4VXOXWIVCT2VIH5MSIMTPO}

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	2026-05-18T01:40:44.580218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f6d9e56eebd91514f5541fac921937b86d085df2be060feba391e7765f08b47

Aliases

arxiv: astro-ph/0105096 · arxiv_version: astro-ph/0105096v1 · doi: 10.48550/arxiv.astro-ph/0105096 · pith_short_12: D5WZ4VXOXWIV · pith_short_16: D5WZ4VXOXWIVCT2V · pith_short_8: D5WZ4VXO

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/D5WZ4VXOXWIVCT2VIH5MSIMTPO \
  | 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: 1f6d9e56eebd91514f5541fac921937b86d085df2be060feba391e7765f08b47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cfc6eba6cb156bab03bd4b307e11cf8fbab876a4cb1f5668595e6b77daba9a1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-05-06T07:30:36Z",
    "title_canon_sha256": "d71a1e74049e036ec449d152c6fc9c59454810aa638691530c399c410e354d0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0105096",
    "kind": "arxiv",
    "version": 1
  }
}