Pith Number

pith:3PWZFFPF

pith:2009:3PWZFFPFMVCYBLAKI6OKIE6MIQ

not attested not anchored not stored refs pending

The existence of relativistic stars in f(R) gravity

Amol Upadhye, Wayne Hu

arxiv:0905.4055 v1 · 2009-05-25 · astro-ph.CO · astro-ph.SR · hep-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{3PWZFFPFMVCYBLAKI6OKIE6MIQ}

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

Testing General Relativity with Present and Future Astrophysical Observations

Receipt and verification

First computed	2026-07-04T16:21:49.974825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbed9295e5654580ac0a479ca413cc4428e4f8065a68f6a04313d3dd6077eaf8

Aliases

arxiv: 0905.4055 · arxiv_version: 0905.4055v1 · doi: 10.48550/arxiv.0905.4055 · pith_short_12: 3PWZFFPFMVCY · pith_short_16: 3PWZFFPFMVCYBLAK · pith_short_8: 3PWZFFPF

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/3PWZFFPFMVCYBLAKI6OKIE6MIQ \
  | 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: dbed9295e5654580ac0a479ca413cc4428e4f8065a68f6a04313d3dd6077eaf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47e0df643f5b138c38381a7504944ce2a31393e384eb0a50bbfae94359fa10c5",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-25T18:08:38Z",
    "title_canon_sha256": "7d8804147f177fa684187ca1ba68109c606e9d5d3b0dcf3b6de3ec550af4c1a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4055",
    "kind": "arxiv",
    "version": 1
  }
}