Pith Number

pith:JH2SIG3C

pith:2007:JH2SIG3CCHCEW47OQ7JCNPCVVN

not attested not anchored not stored refs pending

TRUST-TECH based Methods for Optimization and Learning

Chandan K. Reddy

arxiv:0712.4126 v1 · 2007-12-25 · cs.AI · cs.CE · cs.MS · cs.NA · cs.NE · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JH2SIG3CCHCEW47OQ7JCNPCVVN}

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	2026-06-03T22:06:03.932575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49f5241b6211c44b73ee87d226bc55ab76a91d85829aa486595cec3e6de84db9

Aliases

arxiv: 0712.4126 · arxiv_version: 0712.4126v1 · doi: 10.48550/arxiv.0712.4126 · pith_short_12: JH2SIG3CCHCE · pith_short_16: JH2SIG3CCHCEW47O · pith_short_8: JH2SIG3C

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/JH2SIG3CCHCEW47OQ7JCNPCVVN \
  | 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: 49f5241b6211c44b73ee87d226bc55ab76a91d85829aa486595cec3e6de84db9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1b9c2389e5f1d1492d30d7952111afe80b8ee8060db3ec1395e3f00fc1bbdac",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.MS",
      "cs.NA",
      "cs.NE",
      "math.NA"
    ],
    "license": "",
    "primary_cat": "cs.AI",
    "submitted_at": "2007-12-25T03:14:32Z",
    "title_canon_sha256": "1a42756cb700c578c776d7076aab913ff516a14da73dbe7a5085cecf02ef166c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.4126",
    "kind": "arxiv",
    "version": 1
  }
}