Pith Number

pith:24SAITXC

pith:2013:24SAITXCB2UJW4TPT5QJBI2MRC

not attested not anchored not stored refs pending

Context-aware QR-codes

Dmitry Namiot, Manfred Sneps-Sneppe, Oleg Skokov

arxiv:1307.7597 v1 · 2013-07-05 · cs.IT · cs.CY · cs.NI · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{24SAITXCB2UJW4TPT5QJBI2MRC}

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	2026-05-18T03:17:22.889370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d724044ee20ea89b726f9f6090a34c88a6e88ce94b30b73ef9615e1517d382f5

Aliases

arxiv: 1307.7597 · arxiv_version: 1307.7597v1 · doi: 10.48550/arxiv.1307.7597 · pith_short_12: 24SAITXCB2UJ · pith_short_16: 24SAITXCB2UJW4TP · pith_short_8: 24SAITXC

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/24SAITXCB2UJW4TPT5QJBI2MRC \
  | 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: d724044ee20ea89b726f9f6090a34c88a6e88ce94b30b73ef9615e1517d382f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e4f7711d13813fdfd081fc99f7a4d6fc97183118b4d334c0ea05d93501dcedc",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-05T19:37:27Z",
    "title_canon_sha256": "767440f961fd649deb776a030ed454edef345da301511fc2b3c4bc317f5f70a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7597",
    "kind": "arxiv",
    "version": 1
  }
}