Pith Number

pith:VT5UPEAA

pith:2019:VT5UPEAAQ3OOGKOERBJVQTYGFB

not attested not anchored not stored refs pending

COFFEE -- An MPI-parallelized Python package for the numerical evolution of differential equations

Ben Whale, Chris Stevens, Georgios Doulis, J\"org Frauendiener

arxiv:1903.12482 v2 · 2019-03-29 · cs.MS · gr-qc

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\usepackage{pith}
\pithnumber{VT5UPEAAQ3OOGKOERBJVQTYGFB}

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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

Conformal compactification and affine-null metric formulation of the Einstein equations

Receipt and verification

First computed	2026-07-05T05:54:09.877486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acfb47900086dce329c48853584f06285ff01fae3f764e7663bc8c3034765b4b

Aliases

arxiv: 1903.12482 · arxiv_version: 1903.12482v2 · doi: 10.48550/arxiv.1903.12482 · pith_short_12: VT5UPEAAQ3OO · pith_short_16: VT5UPEAAQ3OOGKOE · pith_short_8: VT5UPEAA

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/VT5UPEAAQ3OOGKOERBJVQTYGFB \
  | 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: acfb47900086dce329c48853584f06285ff01fae3f764e7663bc8c3034765b4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc8929de0564e38a2a48d50ed0a652afdac6ff479d3be726a6b4e0de9be0a0b5",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2019-03-29T12:40:01Z",
    "title_canon_sha256": "27882193d20546bbc4eedc07ee76c8cd581957389df580b40cbb28a403da0cd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12482",
    "kind": "arxiv",
    "version": 2
  }
}