Pith Number

pith:E7DU5I2G

pith:2021:E7DU5I2G447VYE3Y3TETFNSI2H

not attested not anchored not stored refs pending

Developing Smart Web-Search Using RegEx

Chidinma Nwafor, Ebele Onyedimma, Ikechukwu Onyenwe, Onyedikachukwu Ikechukwu-Onyenwe, Stanley Ogbonna

arxiv:2110.04767 v1 · 2021-10-10 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7DU5I2G447VYE3Y3TETFNSI2H}

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	2026-07-05T03:21:21.187465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27c74ea346e73f5c1378dcc932b648d1dee601e9a5dcd89dfdd9a9732818a4a1

Aliases

arxiv: 2110.04767 · arxiv_version: 2110.04767v1 · doi: 10.48550/arxiv.2110.04767 · pith_short_12: E7DU5I2G447V · pith_short_16: E7DU5I2G447VYE3Y · pith_short_8: E7DU5I2G

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/E7DU5I2G447VYE3Y3TETFNSI2H \
  | 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: 27c74ea346e73f5c1378dcc932b648d1dee601e9a5dcd89dfdd9a9732818a4a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f90303b2df348aa31f5b0bdb2c7c69ed64cfb172ca314b1763eb89289d65c26",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-10-10T11:46:25Z",
    "title_canon_sha256": "1e081c94fd677dd86d24e158c0e9cd78e2a16b29839e61debb0c65e0f35cefea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.04767",
    "kind": "arxiv",
    "version": 1
  }
}