Pith Number

pith:DZZKBEJI

pith:2015:DZZKBEJIQCV63N2YIYCRZLLIZC

not attested not anchored not stored refs pending

Fail better: What formalized math can teach us about learning

Jo\~ao Marcos

arxiv:1507.03673 v2 · 2015-07-14 · cs.CY · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DZZKBEJIQCV63N2YIYCRZLLIZC}

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	2026-05-18T01:36:41.504257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e72a0912880abedb75846051cad68c8bb610534d776179353d2f81caf8df103

Aliases

arxiv: 1507.03673 · arxiv_version: 1507.03673v2 · doi: 10.48550/arxiv.1507.03673 · pith_short_12: DZZKBEJIQCV6 · pith_short_16: DZZKBEJIQCV63N2Y · pith_short_8: DZZKBEJI

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/DZZKBEJIQCV63N2YIYCRZLLIZC \
  | 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: 1e72a0912880abedb75846051cad68c8bb610534d776179353d2f81caf8df103

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae8214cbe4c4a63a5bb77b12bb4807721e02c5770175852cf5e1150b701f12bf",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-07-14T00:51:26Z",
    "title_canon_sha256": "d545159cac44f7ad87a0805400f03d7f2dc14a0507727af2404d52dce35d5721"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03673",
    "kind": "arxiv",
    "version": 2
  }
}