Pith Number

pith:QDVZMHS3

pith:2021:QDVZMHS3IZC5N5XFOENQS47SWS

not attested not anchored not stored refs pending

User-Defined Functions for HDF5

Lucas C. Villa Real, Maximilien de Bayser

arxiv:2109.11709 v1 · 2021-09-24 · cs.DC · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDVZMHS3IZC5N5XFOENQS47SWS}

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	2026-07-05T03:17:06.720129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80eb961e5b4645d6f6e5711b0973f2b489b43adbde75e13ebb02f6d6ef881cdb

Aliases

arxiv: 2109.11709 · arxiv_version: 2109.11709v1 · doi: 10.48550/arxiv.2109.11709 · pith_short_12: QDVZMHS3IZC5 · pith_short_16: QDVZMHS3IZC5N5XF · pith_short_8: QDVZMHS3

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/QDVZMHS3IZC5N5XFOENQS47SWS \
  | 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: 80eb961e5b4645d6f6e5711b0973f2b489b43adbde75e13ebb02f6d6ef881cdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac6a101f7f3d6e92750fc997a32d4735cb45b176fcd7d3c81650fb0c025c3f7",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-09-24T01:53:37Z",
    "title_canon_sha256": "db4de17c85b19e1b9c5b2f67b637d55c801eb03ff816c1f20dfb57635ec52960"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.11709",
    "kind": "arxiv",
    "version": 1
  }
}