Pith Number

pith:US7BEDUN

pith:2013:US7BEDUNSD6IBHR5EH6WFENRL7

not attested not anchored not stored refs pending

IRS for Computer Character Sequences Filtration: a new software tool and algorithm to support the IRS at tokenization process

Ahmad Al Badawi, Qasem Abu Al-Haija

arxiv:1303.0407 v1 · 2013-03-02 · 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{US7BEDUNSD6IBHR5EH6WFENRL7}

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	2026-05-18T03:31:56.189626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4be120e8d90fc809e3d21fd6291b15ff6ac816addde98c0f43061b737f2f46d

Aliases

arxiv: 1303.0407 · arxiv_version: 1303.0407v1 · doi: 10.48550/arxiv.1303.0407 · pith_short_12: US7BEDUNSD6I · pith_short_16: US7BEDUNSD6IBHR5 · pith_short_8: US7BEDUN

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/US7BEDUNSD6IBHR5EH6WFENRL7 \
  | 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: a4be120e8d90fc809e3d21fd6291b15ff6ac816addde98c0f43061b737f2f46d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2fe6ee68c178062b44fee871b37d9c8a4651e944cff776bbcafc9b762bee4a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-03-02T17:43:38Z",
    "title_canon_sha256": "9055487075ee4e4883276b7414c652f55e2d1fc52dcb47dd3ce2372eba7d0fec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0407",
    "kind": "arxiv",
    "version": 1
  }
}