Pith Number

pith:LU6CQ7EU

pith:2012:LU6CQ7EUOEJAC6AHYMJ2IWZY5B

not attested not anchored not stored refs pending

On the minimality of Hamming compatible metrics

Othman Echi, Parsa Bakhtary

arxiv:1201.1633 v1 · 2012-01-08 · cs.IT · 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{LU6CQ7EUOEJAC6AHYMJ2IWZY5B}

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	2026-05-18T04:05:02.912888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d3c287c947112017807c313a45b38e8516ffb9591121b231f2d5ff4cf4d567c

Aliases

arxiv: 1201.1633 · arxiv_version: 1201.1633v1 · doi: 10.48550/arxiv.1201.1633 · pith_short_12: LU6CQ7EUOEJA · pith_short_16: LU6CQ7EUOEJAC6AH · pith_short_8: LU6CQ7EU

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/LU6CQ7EUOEJAC6AHYMJ2IWZY5B \
  | 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: 5d3c287c947112017807c313a45b38e8516ffb9591121b231f2d5ff4cf4d567c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a84b8c619a622052bb3799700541c5769aa46a11b1e305bf56ad880f1956787e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-01-08T14:55:52Z",
    "title_canon_sha256": "de1239fd9cf758a717cd14ec7944e0426e077c5b0efb37bb915f5eda951df335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1633",
    "kind": "arxiv",
    "version": 1
  }
}