Pith Number

pith:DA447BN5

pith:2020:DA447BN5ZKJ2NUNOTWNP5E5DC7

not attested not anchored not stored refs pending

Evolution of the ROOT Tree I/O

Axel Naumann, Danilo Piparo, Jakob Blomer, Philippe Canal

arxiv:2003.07669 v1 · 2020-03-17 · cs.DB · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DA447BN5ZKJ2NUNOTWNP5E5DC7}

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	2026-07-05T02:11:45.392908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1839cf85bdca93a6d1ae9d9afe93a317dce2bbefba5c6e3546c311fb4e7abd7f

Aliases

arxiv: 2003.07669 · arxiv_version: 2003.07669v1 · doi: 10.48550/arxiv.2003.07669 · pith_short_12: DA447BN5ZKJ2 · pith_short_16: DA447BN5ZKJ2NUNO · pith_short_8: DA447BN5

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/DA447BN5ZKJ2NUNOTWNP5E5DC7 \
  | 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: 1839cf85bdca93a6d1ae9d9afe93a317dce2bbefba5c6e3546c311fb4e7abd7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09952dde0cc366f110a204f147985a215a92d56a3723f1bfd4a33e0cfc3a7919",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-03-17T12:41:55Z",
    "title_canon_sha256": "08ee2b0738e5bfc32bc4a1afe93560a9d6a6b2cc40345c9c113d98026650b725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.07669",
    "kind": "arxiv",
    "version": 1
  }
}