Pith Number

pith:B7OKHN6Q

pith:2016:B7OKHN6QZJ5KLRRZ4PUG25BEAU

not attested not anchored not stored refs pending

Counting Constraints in Flat Array Fragments

Elena Pagani, Francesco Alberti, Silvio Ghilardi

arxiv:1602.00458 v1 · 2016-02-01 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7OKHN6QZJ5KLRRZ4PUG25BEAU}

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	2026-05-18T01:21:35.326425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fdca3b7d0ca7aa5c639e3e86d74240506ab5af77cd048fbf31c4db2586e1987

Aliases

arxiv: 1602.00458 · arxiv_version: 1602.00458v1 · doi: 10.48550/arxiv.1602.00458 · pith_short_12: B7OKHN6QZJ5K · pith_short_16: B7OKHN6QZJ5KLRRZ · pith_short_8: B7OKHN6Q

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/B7OKHN6QZJ5KLRRZ4PUG25BEAU \
  | 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: 0fdca3b7d0ca7aa5c639e3e86d74240506ab5af77cd048fbf31c4db2586e1987

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4767a9ea8dea4cdef0226a10e714b07da8e6b6a6a0f39e77668a19fc064235bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-02-01T10:14:34Z",
    "title_canon_sha256": "ea82576e6c57cab075a4494897fc19383692bd900831e9509d4828164728bed7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00458",
    "kind": "arxiv",
    "version": 1
  }
}