Pith Number

pith:2DAC76KA

pith:2011:2DAC76KA5KJFODEFKBJV5GSDP4

not attested not anchored not stored refs pending

Constraint damping for the Z4c formulation of general relativity

Andreas Weyhausen, David Hilditch, Sebastiano Bernuzzi

arxiv:1107.5539 v2 · 2011-07-27 · gr-qc

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DAC76KA5KJFODEFKBJV5GSDP4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

Trapping, Irregular Waveforms, and Efficient Radiation in Ultra-relativistic Black Hole Encounters

Receipt and verification

First computed	2026-05-18T02:01:08.826949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0c02ff940ea92570c8550535e9a437f1cf1223fb725724183bc72508e8bc000

Aliases

arxiv: 1107.5539 · arxiv_version: 1107.5539v2 · doi: 10.48550/arxiv.1107.5539 · pith_short_12: 2DAC76KA5KJF · pith_short_16: 2DAC76KA5KJFODEF · pith_short_8: 2DAC76KA

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/2DAC76KA5KJFODEFKBJV5GSDP4 \
  | 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: d0c02ff940ea92570c8550535e9a437f1cf1223fb725724183bc72508e8bc000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "891413db5f6ab4392dc043aaf259ef2ffd0aa36d3ce496a6ac616b656d7387c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-07-27T17:04:03Z",
    "title_canon_sha256": "e2096e7d6a45eb7a8524936abf7aa2b62a9573bf0ce7c669943c4840facec412"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5539",
    "kind": "arxiv",
    "version": 2
  }
}