Pith Number

pith:2OAJNXEV

pith:2017:2OAJNXEV4PUPDCMT7ROY7H3M7D

not attested not anchored not stored refs pending

Towards an exascale code for GRMHD on dynamical spacetimes

Sven K\"oppel

arxiv:1711.08221 v2 · 2017-11-22 · 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{2OAJNXEV4PUPDCMT7ROY7H3M7D}

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	2026-05-17T23:44:15.638273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d38096dc95e3e8f18993fc5d8f9f6cf8e842783a19fb6ed459ed61657707499d

Aliases

arxiv: 1711.08221 · arxiv_version: 1711.08221v2 · doi: 10.48550/arxiv.1711.08221 · pith_short_12: 2OAJNXEV4PUP · pith_short_16: 2OAJNXEV4PUPDCMT · pith_short_8: 2OAJNXEV

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/2OAJNXEV4PUPDCMT7ROY7H3M7D \
  | 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: d38096dc95e3e8f18993fc5d8f9f6cf8e842783a19fb6ed459ed61657707499d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f2eac0dbf701ce39f1a8ecf9abb314d9336f56bce83cdf2c8841c62d597b9f5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-11-22T10:48:44Z",
    "title_canon_sha256": "8339c0b470f6c4d31518074ed10eabaefdaf1fb32a2320a0668e29196b4ff87b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08221",
    "kind": "arxiv",
    "version": 2
  }
}