Pith Number

pith:7C7TT63J

pith:2016:7C7TT63JYP7TSE5OQTUX6JAUQA

not attested not anchored not stored refs pending

The evolution of hyperboloidal data with the dual foliation formalism: Mathematical analysis and wave equation tests

Bernd Bruegmann, David Hilditch, Enno Harms, Hannes Rueter, Marcus Bugner

arxiv:1609.08949 v1 · 2016-09-28 · 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{7C7TT63JYP7TSE5OQTUX6JAUQA}

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	2026-05-18T01:03:41.516505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8bf39fb69c3ff3913ae84e97f2414800cf854d4069647bbc65127d5bee49337

Aliases

arxiv: 1609.08949 · arxiv_version: 1609.08949v1 · doi: 10.48550/arxiv.1609.08949 · pith_short_12: 7C7TT63JYP7T · pith_short_16: 7C7TT63JYP7TSE5O · pith_short_8: 7C7TT63J

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/7C7TT63JYP7TSE5OQTUX6JAUQA \
  | 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: f8bf39fb69c3ff3913ae84e97f2414800cf854d4069647bbc65127d5bee49337

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26de2bb0f6572951ba9ee597cfcbad0c512f677ef560345202fb3c8180c834de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-09-28T15:01:01Z",
    "title_canon_sha256": "42e217503465e97940f6bb1a8cae953cc14b510ca32f1b286902df955fc0313e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08949",
    "kind": "arxiv",
    "version": 1
  }
}