Pith Number

pith:R4XVG4C7

pith:2018:R4XVG4C7FWZNPI3IO44CAPZA7R

not attested not anchored not stored refs pending

Astrophysical code migration into Exascale Era

David Goz, Giuliano Taffoni, Luca Tornatore, Sara Bertocco

arxiv:1812.00367 v1 · 2018-12-02 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4XVG4C7FWZNPI3IO44CAPZA7R}

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	2026-05-17T23:59:21.520613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f2f53705f2db2d7a3687738203f20fc6967dc27c65c31960447cdd299267491

Aliases

arxiv: 1812.00367 · arxiv_version: 1812.00367v1 · doi: 10.48550/arxiv.1812.00367 · pith_short_12: R4XVG4C7FWZN · pith_short_16: R4XVG4C7FWZNPI3I · pith_short_8: R4XVG4C7

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/R4XVG4C7FWZNPI3IO44CAPZA7R \
  | 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: 8f2f53705f2db2d7a3687738203f20fc6967dc27c65c31960447cdd299267491

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f622d02899569c94ae72815f2e65f774eaecc26c6f09bbb23d04e53763b0bd12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-12-02T11:09:37Z",
    "title_canon_sha256": "75e7e0898ebb2390ae4f648466f76e94fcfb63d22558824e3f254c8064b4fa69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00367",
    "kind": "arxiv",
    "version": 1
  }
}