Pith Number

pith:DDUDHLMC

pith:2009:DDUDHLMC4FSWGFIDRFQS2J3EZQ

not attested not anchored not stored refs pending

Newtonian and General Relativistic Models of Spherical Shells

D. Vogt, P.S. Letelier

arxiv:0911.4822 v1 · 2009-11-25 · 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{DDUDHLMC4FSWGFIDRFQS2J3EZQ}

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	2026-05-18T02:34:03.639726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e833ad82e16563150389612d2764cc11242287ca6510db98c1c64d018cc737

Aliases

arxiv: 0911.4822 · arxiv_version: 0911.4822v1 · doi: 10.48550/arxiv.0911.4822 · pith_short_12: DDUDHLMC4FSW · pith_short_16: DDUDHLMC4FSWGFID · pith_short_8: DDUDHLMC

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/DDUDHLMC4FSWGFIDRFQS2J3EZQ \
  | 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: 18e833ad82e16563150389612d2764cc11242287ca6510db98c1c64d018cc737

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f73df2dbf1d80b920eec1ebfcf3a60c4bb060d95f295c8b9ed801aa2e33badb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-11-25T11:32:08Z",
    "title_canon_sha256": "6379936573de174cf75649e88e0fc6d44467c6fb0b5b25a5f95308ba8efacfe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4822",
    "kind": "arxiv",
    "version": 1
  }
}