Pith Number

pith:BOB6DBVP

pith:2021:BOB6DBVP7ZZR5DCLTISNDY36J7

not attested not anchored not stored refs pending

Towards an Arrow-native Storage System

Alexandru Uta, Carlos Maltzahn, Ivo Jimenez, Jayjeet Chakraborty, Jeff LeFevre, Sebastiaan Alvarez Rodriguez

arxiv:2105.09894 v2 · 2021-05-20 · 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{BOB6DBVP7ZZR5DCLTISNDY36J7}

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	2026-07-05T02:42:05.850231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b83e186affe731e8c4b9a24d1e37e4fc38bc0589e235b9f497606f200f9f7cc

Aliases

arxiv: 2105.09894 · arxiv_version: 2105.09894v2 · doi: 10.48550/arxiv.2105.09894 · pith_short_12: BOB6DBVP7ZZR · pith_short_16: BOB6DBVP7ZZR5DCL · pith_short_8: BOB6DBVP

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/BOB6DBVP7ZZR5DCLTISNDY36J7 \
  | 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: 0b83e186affe731e8c4b9a24d1e37e4fc38bc0589e235b9f497606f200f9f7cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8df842af3b0ccbcbadadb3bd978eb71fe2e56125ed707cab0f4e094a93a00267",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-05-20T16:59:39Z",
    "title_canon_sha256": "c3a2c434a30f2b523aea967f900b12ae0335953ec4b0df9fdb908af39925ba00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09894",
    "kind": "arxiv",
    "version": 2
  }
}