Pith Number

pith:JYHMBC6V

pith:2007:JYHMBC6VQVPBLIGD2CPOBAL5A2

not attested not anchored not stored refs pending

Absorbing boundary conditions for Einstein's field equations

Olivier Sarbach

arxiv:0708.4266 v1 · 2007-08-31 · 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{JYHMBC6VQVPBLIGD2CPOBAL5A2}

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

Ill-posedness of the Cauchy problem for linearized gravity in a cavity with conformal boundary conditions

Receipt and verification

First computed	2026-07-04T15:21:25.816082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e0ec08bd5855e15a0c3d09ee0817d06a9d915a039836cbe1fc6a1590f22645f

Aliases

arxiv: 0708.4266 · arxiv_version: 0708.4266v1 · doi: 10.48550/arxiv.0708.4266 · pith_short_12: JYHMBC6VQVPB · pith_short_16: JYHMBC6VQVPBLIGD · pith_short_8: JYHMBC6V

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/JYHMBC6VQVPBLIGD2CPOBAL5A2 \
  | 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: 4e0ec08bd5855e15a0c3d09ee0817d06a9d915a039836cbe1fc6a1590f22645f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50b32e71c359f633c71ea2e9f1af15b5a132403e3130e309eb6dbf1de96ce6cf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-08-31T04:38:00Z",
    "title_canon_sha256": "c4e3eeff56019db55c022eca08ebe0e6a28eba20e415978537836a8b5ae99418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.4266",
    "kind": "arxiv",
    "version": 1
  }
}