Pith Number

pith:O4PXTLKI

pith:2015:O4PXTLKIWKEXM4PV2B3JBYPJBT

not attested not anchored not stored refs pending

Converting ECG and other paper legated biomedical maps into digital signals

A.R. Gomes e Silva, H.M. de Oliveira, R.D. Lins

arxiv:1502.05906 v2 · 2015-02-20 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4PXTLKIWKEXM4PV2B3JBYPJBT}

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	2026-05-18T02:25:33.648440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771f79ad48b2897671f5d07690e1e90ccfc5fe767664a5d7c2cf0a07af1113b3

Aliases

arxiv: 1502.05906 · arxiv_version: 1502.05906v2 · doi: 10.48550/arxiv.1502.05906 · pith_short_12: O4PXTLKIWKEX · pith_short_16: O4PXTLKIWKEXM4PV · pith_short_8: O4PXTLKI

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/O4PXTLKIWKEXM4PV2B3JBYPJBT \
  | 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: 771f79ad48b2897671f5d07690e1e90ccfc5fe767664a5d7c2cf0a07af1113b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0673a940c1590f3f1c998732c07a7215f793606f6623c69de8534c5d86a1028e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2015-02-20T15:35:27Z",
    "title_canon_sha256": "8de5bc5483cfc942e99f642800969ec944e1c0c6b6a7fa088127e113ecc2aac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05906",
    "kind": "arxiv",
    "version": 2
  }
}