Pith Number

pith:EAVPBDS3

pith:2009:EAVPBDS3TMQRS54O455MUQWFB5

not attested not anchored not stored refs pending

Vibrating systems in Schwarzschild spacetime: towards new experiments in gravitation?

A. Hees, L. Bergamin, P. Delva

arxiv:0901.2306 v3 · 2009-01-15 · 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{EAVPBDS3TMQRS54O455MUQWFB5}

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	2026-05-18T04:34:19.749928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

202af08e5b9b2119778ee77aca42c50f5accb35c3e15e664ddfc75c6fed2f436

Aliases

arxiv: 0901.2306 · arxiv_version: 0901.2306v3 · doi: 10.48550/arxiv.0901.2306 · pith_short_12: EAVPBDS3TMQR · pith_short_16: EAVPBDS3TMQRS54O · pith_short_8: EAVPBDS3

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/EAVPBDS3TMQRS54O455MUQWFB5 \
  | 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: 202af08e5b9b2119778ee77aca42c50f5accb35c3e15e664ddfc75c6fed2f436

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c55a9f74347cea173094eee6fa551a8aee6d154ac11fd4a75a3e8a6011bfcf9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-01-15T16:37:18Z",
    "title_canon_sha256": "ea4fe662af1623d92372a35724982f450273403f71e859808286351dfb61da51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2306",
    "kind": "arxiv",
    "version": 3
  }
}