Pith Number

pith:O3X7SBQJ

pith:2015:O3X7SBQJ6ZQHRXVSPPQ7CYC5J5

not attested not anchored not stored refs pending

Easy and Fast Design and Implementation of PostgreSQL based image handling application

Kisor Ray, Saumen Sarkar, Sourav Bag

arxiv:1503.05294 v1 · 2015-03-18 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O3X7SBQJ6ZQHRXVSPPQ7CYC5J5}

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	2026-05-18T02:21:50.847401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76eff90609f66078deb27be1f1605d4f74d7bd40879821859db2e45c3b16eae8

Aliases

arxiv: 1503.05294 · arxiv_version: 1503.05294v1 · doi: 10.48550/arxiv.1503.05294 · pith_short_12: O3X7SBQJ6ZQH · pith_short_16: O3X7SBQJ6ZQHRXVS · pith_short_8: O3X7SBQJ

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/O3X7SBQJ6ZQHRXVSPPQ7CYC5J5 \
  | 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: 76eff90609f66078deb27be1f1605d4f74d7bd40879821859db2e45c3b16eae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccc03054a96e790679132f9c5fe67f1f9bd9bb3320f3db68d92e630854736f14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-03-18T07:23:23Z",
    "title_canon_sha256": "91d70734838af99093c79afbfbd930749483b932d6b039e8e460e6727f8c6019"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05294",
    "kind": "arxiv",
    "version": 1
  }
}