Pith Number

pith:L5X7RZ5N

pith:2021:L5X7RZ5NHQ3LZDPNP3PLTH3F7R

not attested not anchored not stored refs pending

Checkpoint/Restart for Lagrangian particle mesh with AMR in community code FLASH-X

Klaus Weide, Rajeev Jain, Saurabh Chawdhary, Thomas Klostermann

arxiv:2103.04267 v1 · 2021-03-07 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L5X7RZ5NHQ3LZDPNP3PLTH3F7R}

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	2026-07-05T02:21:04.046108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f6ff8e7ad3c36bc8ded7edeb99f65fc535dff41be802f3f245ead78f1eb8fb9

Aliases

arxiv: 2103.04267 · arxiv_version: 2103.04267v1 · doi: 10.48550/arxiv.2103.04267 · pith_short_12: L5X7RZ5NHQ3L · pith_short_16: L5X7RZ5NHQ3LZDPN · pith_short_8: L5X7RZ5N

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/L5X7RZ5NHQ3LZDPNP3PLTH3F7R \
  | 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: 5f6ff8e7ad3c36bc8ded7edeb99f65fc535dff41be802f3f245ead78f1eb8fb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a3b1481b31f1a5a5cb1cb002c7207a1d4250dff3a8b2cbd03dc988bca30f41c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-03-07T04:48:02Z",
    "title_canon_sha256": "77bf7ff1b2ca1dbd4c0d66f40cbd8f8b92652e4f6743e89d343b916068ff3575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04267",
    "kind": "arxiv",
    "version": 1
  }
}