Pith Number

pith:XMG56YBL

pith:2008:XMG56YBL4PEZ72NC2QBGWSMNIT

not attested not anchored not stored refs pending

Extracting Information from the Gravitational Redshift of Compact Rotating Objects

Marek Nowakowski, Paul Nunez

arxiv:0811.1788 v1 · 2008-11-11 · 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{XMG56YBL4PEZ72NC2QBGWSMNIT}

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	2026-05-18T04:20:22.458977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb0ddf602be3c99fe9a2d4026b498d44caefb9ff19721e0da74681eca5c4ad01

Aliases

arxiv: 0811.1788 · arxiv_version: 0811.1788v1 · doi: 10.48550/arxiv.0811.1788 · pith_short_12: XMG56YBL4PEZ · pith_short_16: XMG56YBL4PEZ72NC · pith_short_8: XMG56YBL

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/XMG56YBL4PEZ72NC2QBGWSMNIT \
  | 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: bb0ddf602be3c99fe9a2d4026b498d44caefb9ff19721e0da74681eca5c4ad01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffb19291e0777e85ea0538d21a019e2775cea6b6421db12d784589315eb6a636",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-11T22:38:29Z",
    "title_canon_sha256": "80b9f199871879ed433b995e2b55bbd4a25355e2add4244b3f0acf33c9e07d13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1788",
    "kind": "arxiv",
    "version": 1
  }
}